Develop Bugs

The Desire's Radio Interferes with Head-phones?

Hi there,
I didn't believe it at first, but the GSM / 3G radio on my Desire interferes with the headphones while I listen to music, to the degree that it is, well... unlistenable. I have to activate the Airplane Mode in order to listen to music, which I think is just preposterous. I've never had that problem with any other phone.
You know that annoying noise that cellphones can induce in stereo speakers, if the speakers are connected to an unearthed socket? That's what I hear in my headphones on the Desire.
Is this due to a unique fault in just my unit, or do any more of you hear this noise?
Cheers

I hear it only when the internet connection is active - and even then it is quite low (but still there).
So all I have to do is turn off internet connection and the problem is solved.

Hi i'm glad someone else has noticed this thought it was just me
here was my thread about it:
http://forum.xda-developers.com/showthread.php?t=683024&highlight=shielding
Definitely seems like poor shielding to me. I can't believe nobody else has noticed it. Maybe because I use sound isolating headphones so it makes background noise quieter?
A very serious flaw for something I use as my main Mp3 player

Dr Doom said:
here was my thread about it:
http://forum.xda-developers.com/showthread.php?t=683024&highlight=shielding
Click to expand...
Click to collapse
Someone at your thread wrote "Apparently I had the 'only use 2G networks' option turned on! Now with 3G the issue is gone". I am actually on the countryside at the moment and unfortunately required to connect using GSM / Edge, perhaps that's what causing the noise and it will disappear on 3G? Either way, it shouldn't be there in the first place

MapleDouglas said:
Either way, it shouldn't be there in the first place
Click to expand...
Click to collapse
Exactly. This is a basic requirement.

MapleDouglas said:
...I have to activate the Airplane Mode in order to listen to music, which I think is just preposterous
Click to expand...
Click to collapse
Just under that option is the option to turn off mobile internet...try that instead, at least you still get phone calls and messages that way.

I just replied in the other topic. I have this problem withg several in.ears, and disabling internet or enabling airplane mode doesn't help at all. As long as the phone plays sound (and for four seconds afterwards - ie, as long as the "soundcard" in the phone is turned on) it makes a hissing sound, making it completely unfit for music and to some degree tv series/movies too.
edit: Guess I should mention that the volume is also too loud, there is NO way I can have it more than two or three steps from the bottom, and between the lowest step and "silence" (ie. only hissing) there is quite a jump in dB.

What product are you using? I've only noticed this on products of poor quality. Both my AKG and MW600 have no problems with it at all.

As I said in the other thread, I'm using a good quality closed headset and there is no hint of hiss.
Sent from my HTC Desire using XDA App

Zhypr said:
What product are you using? I've only noticed this on products of poor quality. Both my AKG and MW600 have no problems with it at all.
Click to expand...
Click to collapse
I have the same problem with a pair of Creative Aurvana in-ears and a pair of Sennheiser CX300. While they are not the most expensive sets you can buy, they bot sound fine while used with other devices - ie. a Nokia 5800, an iPhone 3g and my old Creatove Zen Micro. It is most certapnly the Desire that is the problem.
I expect to hear noise wih low ompedance in-ears on cheap laptops and non-branded china players, but not on somathing claiming to be a great multimedia phone at a pricetag of $620 (unbranded in Norway).
This prolem most likely stems from bad intrnal isolation of the audio chip/wires/jack, and would ofc not be heard with a BT headset... As to your AKG, unless they are low impedance in-ears, whether you hear noise in them or not is equally uninteresting.
I would really like someone with a good pair of low impedance headphones and good hearing to say that their phone is NOT producing this white noise. My pal didn't think his did, but it sure does. If it is just faulty units, it means it can be fixed, so I don't have to spend a few months getting my money back and find another phone to buy.

[Q] HD7 speaker hiss, could you check for me?

Hi there. Just noticed with my HD7 that after its made a noise, say for example the keyboard click which i love by the way, my rear speaker has a hiss for about a second afterwards. Could someone else with a HD7 please hold their phone with their rear speaker to their ear and then get their phone to make a noise so that I can find out if it's my phone or a feature of the HD7?
To be honest the reason I'm interested in this is the speaker hiss that I'm hearing here I think might be related to the bluetooth audio quality issues I have, long shot I know.
Thanks

Confirmed, I hear the hiss too. I think it's the audio file for the click sound. After the click sound is made, the file continues playing for a few seconds.

Cheers for that.. Seems to happen when you pause music or anything else really. Ah well, first gen poor quality hardware I guess.. I knew I was gonna take the hit.

I thought this was standard on everything, it definitely happened on my last 2 android devices.

brummiesteven said:
I thought this was standard on everything, it definitely happened on my last 2 android devices.
Click to expand...
Click to collapse
Yeah, it's not a big deal at all.

Yeah for sure not a big deal, would never notice it if I hadnt randomly had it up to my ear.. Like I say just grasping for reasons why the bluetooth audio might be a bit ropey. The same hiss was heard over a friends bluetooth headset, sorry cant remember the make (my parrot doesnt have the hiss but does have a crackle, go figure).

My Jabra Halo, and my car via a FIPO device both have the his over bluetooth, occasionaly stuttery audio, never crackles though

HTC One X Audio Hiss

Seen quite a few topics on this, seems no one has a solution.
What I'm trying to accomplish with this is to see if EVERY HTC One X has this problem of a hissing noise in the background.
The hissing noise sounds somewhat like television white noise, and is apparent when playing music at low volume and during quiet parts of a song.
Testing Method:
i) Using headphones/earphones/whatever that plugs in the headphone port,
ii) Play music or other audio.
iii) Turn volume down to zero (0%)
iv) Listen for the noise.
Repeat method with no headphones i.e. with speaker, and put speaker up to your ear (very close). Try and listen for the noise.

my one x has the issue too.

As far as i know this is not an issue and it's normal, try doing the same thing with any other device and you will hear the same thing, may be hard to notice sometimes but it's there ( I didn't notice this on my HOX until i read your thread )

I do have this hiss on my one x.It can easily be heard when the music is stopped and this hiss continues for a small second!

It drives me mad as I tend to listen to music on lower volumes compared to others...
Sent from my HTC One X

if it is for 2-3 seconds and then it stops, it's normal, not an issue, due to a low voltage signal the sound chip sends to audio device (whether that would be a simple earphone, or a full support Bluetooth audio kit) to announce that the sound broadcasting is finished... (fade out noise)

Same here.

At 0% volume mine does not hiss, however if I play a song then pause it there is a faint hiss for a second or two then it stops completely.

Here's another one, plug the charger in and here the buzzing/feedback through the earphones when charging...

srashedian said:
if it is for 2-3 seconds and then it stops, it's normal, not an issue, due to a low voltage signal the sound chip sends to audio device (whether that would be a simple earphone, or a full support Bluetooth audio kit) to announce that the sound broadcasting is finished... (fade out noise)
Click to expand...
Click to collapse
No, the problem that I'm experiencing and trying to see if others experience is whether the hiss is happening DURING the music. I understand if you listen to music at above 50% you most likely will not hear it during the music.

Yes, I have got the same problem and it is caused by very poor SNR of One X DAC or analog circuit.
It is very annoying for me, as I use sensitive IEMs and my old HD2 has not got this issue at all - I just find hard to accept that I have to hear audio noise in 2012 flaghsip device. There are some workarounds possible that can POSSIBLY at least partially mitigate the problem:
1. Use less sensitive headphones
2. Use some kind of attenuator, like:
http://www.ebay.co.uk/itm/Sound-lev...13488602?pt=US_Headphones&hash=item1e6f218cda
and increase listening volume at the same time

Issue confirmed. Could not believe that in this day and age I am confronted with such an obvious hiss on this top-of-the-line HTC phone.
Coming from the S2, I have not been impressed with the quality of the One X. I like the screen though, when I can't see any yellow spots, that is.
a704e said:
Seen quite a few topics on this, seems no one has a solution.
What I'm trying to accomplish with this is to see if EVERY HTC One X has this problem of a hissing noise in the background.
The hissing noise sounds somewhat like television white noise, and is apparent when playing music at low volume and during quiet parts of a song.
Testing Method:
i) Using headphones/earphones/whatever that plugs in the headphone port,
ii) Play music or other audio.
iii) Turn volume down to zero (0%)
iv) Listen for the noise.
Repeat method with no headphones i.e. with speaker, and put speaker up to your ear (very close). Try and listen for the noise.
Click to expand...
Click to collapse

Will an external DAC help with this problem, if even usable with a phone?
Sent from my HTC One X

I probably should have said in my original post but yes I have the issue and noticed it....
Alternative was to use Bluetooth, I personally might get an APT-X adaptor thats portable so I can connect to my home cinema system or car stereo through the jack input....

I wonder if there's any One X without this problem, such as newer batches etc

a704e said:
Will an external DAC help with this problem, if even usable with a phone?
Click to expand...
Click to collapse
If you can feed it a digital signal, then yeah, by all means it would help. I've not looked into it, I dunno if it's possible.

about 3 peoples said there it is normal so why continue this ? lol it have everything that make music,sounds.. its normal due to low voltage to earphones and there is currently no technology that can stop this noise...

Sramie said:
about 3 peoples said there it is normal so why continue this ? lol it have everything that make music,sounds.. its normal due to low voltage to earphones and there is currently no technology that can stop this noise...
Click to expand...
Click to collapse
Larger sample size. And also speaker out has this problem, not just headphones. And why other phones don't have this problem?
Sent from my HTC One X using xda app-developers app

cfm +1
using music app or tune in radio connecting to my cars aux in via 3.5mm connection cable to utilize audio device and loudspeakers in car, and it is even more noticeable.. (the sound is great though) also you hear hiss and noises as inerference effect from the the engine clearly in silence between track changes
Sent from my HTC One X using xda premium

I have it as well, but im pretty sure iv heard the exact same noise on most consumer devices ive had like my ipod and old s2.. didnt even think about it till i saw this thread.
If it bothers you that much just email htc and see what they say...

Hissing noise in left ear when playing music through headphones

Anyone experiencing a hissing noise in the left ear when playing music with headphones? It's more obvious in some songs and its really irritating once you've noticed it.
Seems to be the same problem the G2 has: THAT Kitkat Audio Bug - Hissing/Crackling. - xda-developers

Yes, me to. It's very anoying. Hope it will be sorted out otherwise I return the G3 to shop

I have the same problem here. only left earphone having hiss noise during a music play or anything.
Do you think this can be fixed by a software update or should we refund the device?
LG G3
Android Version 4.4.2
Kernel: 3.4.0
Build No: KVT49L.A1402575277
Thanks

online111 said:
I have the same problem here. only left earphone having hiss noise during a music play or anything.
Do you think this can be fixed by a software update or should we refund the device?
LG G3
Android Version 4.4.2
Kernel: 3.4.0
Build No: KVT49L.A1402575277
Thanks
Click to expand...
Click to collapse
Took months before they fixed it on G2

kruso said:
Took months before they fixed it on G2
Click to expand...
Click to collapse
I have a G2 running the lastest euro open rom and the issue is still there. Nothing has been fixed! Lets face it... They either don't want to or don't know how to fix it...

Hello
While I do not get a hiss I am getting distortion from the LG G3 in the left on earphone - I have found that it happens on the earbuds you get with it along with my Sennheiser, both have them inline volume controls. My Sony earbuds do not have the inline volume control and I do not get that distortion. All earbuds testing on other devices and working perfect. You can hear the distortion in say low volume parts of say the Man of Steel soundtrack.
Anyone else have this issue with distortion in the left?
Thanks.

For people who are "not sure" if they have this issue: play some music with rhythmic bassline, then go to Settings --> Accessibility ---> in hearing section move the "balance" slider to the right. Now you should hear the distortion in its clear form in the left phone.

... would be interesting to see how many have this - I would pop round a few shops this weekend and try out some demo units to see if they also have the issue - however I am moving so no time - Would like to know if everyone with the G3 has the issue or some.
Its not something you have to listen very hard to notice - something with a bit of bass effect - I notice it on Man of Steel soundtrack, 1m 12s in on the track DNA.
By the way is the same if you use in inbuilt music player or my preferred player PowerAmp, of course all effects are off. The media files themselves are flacs which I use in testing audio equipment, so I know the files themselves are perfect.

I have this too. But it also seems very picky about which AUX-cable to use. Ive tried 5 different wich I know all works well.. tested them both with another phone and my Nexus 7. With 3 of them the phone doesnt even recognize its plugged in, the sound continues to play though the phones speakers. With the fourth one I get sound but very noisy and when i rotate and wiggle the cable it gets more noisy and static. With the fifth cable I dont get any of that but the left channel is still a bit noisy at certain parts in the songs, just like you describe in this thread.
Do you think all this is related to the same problem or have I also gotten a phone with a bad jack?

Hey Dyln
You have come to the same conclusion I have come to. Really not sure whether to ask for a replacement and find I get the same experience (alot of hassle for nothing) - Just find its really funny about what headphones you use. I am not liking that my £50 Sennheiser earbuds for gym do not sound as good as my other devices - Is that a batch issue on the hardware side?, is it a software issue (like G2)? God knows !... just annoying as its otherwise a great phone.
Christopher.

Hi I have the same issue with a pair of Shure SE-846 (9 Ohm). Very annoying. Hope this will be fixes soon or I have to get an in-line resistor to increase the impedance. There is (almost) no noise with headphones above 32 Ohm.
Gesendet von meinem LG-D855 mit Tapatalk

she coldsep
dhkx said:
Anyone experiencing a hissing noise in the left ear when playing music with headphones? It's more obvious in some songs and its really irritating once you've noticed it.
Seems to be the same problem the G2 has: THAT Kitkat Audio Bug - Hissing/Crackling. - xda-developers
Click to expand...
Click to collapse
I don't have hissing on mine, using the stock Quadbeats and iPhone5 headphones. I have the F400K Korean model. (I am familiar with the hiss as my old G2 had it (was fixed when I was using one of the Cloudy custom rom though).

Distortion and feedback in between songs playing in car with 3.5mm jack
I've just posted over here which is I reckon a related issue involving the 3.5mm jack....
http://forum.xda-developers.com/lg-g3/help/aux-cable-problem-t2802719
At the risk of repeating myself I'll just copy and paste in here too...
"I have a similar issue with the 3.5mm audio jack cable in the car.
Although i have tried a couple of cables and they do produce audio out of the speakers, I have a nasty problem whenever there is a gap between tracks, or when listening to radio if I pause it for more than 1 second.
It's as if the LG is cutting the power to the aux cable, so that when the music is restarted, or more annoyingly of all after EVERY song when played straight from the device, there is a nasty distorted feedback coming from the left speaker.....
Surely this is related to what the folks are saying over here...
http://forum.xda-developers.com/lg-g...music-t2804065
It never happened in my car with my Galaxy S4 or my Galaxy Note before that.
I'm seriously considering returning the handset as this noise is just not bearable - it's getting near a deal breaker for me.
edit: should have mentioned it also happens when an incoming call ends, the music cuts back in with a big old distortion/feedback."

jan.kvac said:
Yes, me to. It's very anoying. Hope it will be sorted out otherwise I return the G3 to shop
Click to expand...
Click to collapse
I am also having the same issue with my unit. Do you guys think that an update can fix this? I had my G3 replaced for having a damaged screen. I don't want to return it to the retailer again because of the buzzing sound.

G2 hissing sound fix for g3
dhkx said:
Anyone experiencing a hissing noise in the left ear when playing music with headphones? It's more obvious in some songs and its really irritating once you've noticed it.
Seems to be the same problem the G2 has: THAT Kitkat Audio Bug - Hissing/Crackling. - xda-developers
Click to expand...
Click to collapse
have you guys tried installing this?
https://play.google.com/store/apps/details?id=it.ptoti.g2_tweaksbox&hl=en

genesissss said:
have you guys tried installing this?
https://play.google.com/store/apps/details?id=it.ptoti.g2_tweaksbox&hl=en
Click to expand...
Click to collapse
It's good to know that there will likely be an easy fix. Even if that app has some compatibility issues, I'm sure a G3 version would come out.

LG G3 Hiss noise on left headphone
I did quite research on this issue.
Here is what I did:
Tried with 7 different high end - low end headphones. All having same issue on left headphone
My friend has the same phone, he is having the same issue
Went to Retail and tested 2 different phones, both having the same issue.
Tried with different songs, but the best songs you can listen to understand the noise is solo piano songs.
Try to listen this song: Ludovico Einaudi - I Giorni
If anyone has bluetooth headphone, I would like to see the test result. So we can understand if this is hardware or a software issue.
If bluetooth fails, It could be software otherwise most likely a hardware issue.

I thought this was a KitKat issue... so returning your G3 won't do any good. I experience this also. I'm not sure why Google hasn't made a fix for this yet.

Brilliant, thanks Online111; was meaning to pop round some retail shops to test out other G3's. Looks like it is a personal choose then if you can bear it or not. Was very nearly going to get a swap out.
Christopher.
online111 said:
I did quite research on this issue.
Here is what I did:
Tried with 7 different high end - low end headphones. All having same issue on left headphone
My friend has the same phone, he is having the same issue
Went to Retail and tested 2 different phones, both having the same issue.
Tried with different songs, but the best songs you can listen to understand the noise is solo piano songs.
Try to listen this song: Ludovico Einaudi - I Giorni
If anyone has bluetooth headphone, I would like to see the test result. So we can understand if this is hardware or a software issue.
If bluetooth fails, It could be software otherwise most likely a hardware issue.
Click to expand...
Click to collapse

request
can we request an audio fix here?
http://forum.xda-developers.com/showthread.php?t=2792242

Headphones buzzing sound

Not sure if anyone else is experiencing this but I have a buzzing sound in my headphones in the left ear. It is fairly loud when the phone is idling. When I switch apps or screens it goes away momentarily then starts again. I have tested it in the music app and it does not appear to be an issue while playing music. I checked some very low volume sources and its not there. Still I wonder if I have a bad unit or have something activated doing this. I am completely stock new AT&T LG G3.
Update: After testing a few more sets of headphones, this only happens on my Bose QC15s which have the noise cancellation. Its interesting though that the Bose are dead silent on my Galaxy S5 and my wifes iphone. I tried both cables with them (since one is designed for idevices) but it doesn't make a difference. Not sure what interference they are picking up but I think I will take them to an AT&T store this weekend and see if it does it on their display models.

Is it anything like...
http://forum.xda-developers.com/showthread.php?t=2804065
Thanks
Christopher.
Sent from my LG-D855 using XDA Free mobile app

I think it's the same thing. With the Bose it's like a humming buzzing sound. I don't hear it at all with the Apple $79 IEMs. They are listed at 23ohm impedance. With mine it's as if theorizing switches on and off though. I can switch apps or play music and its dead quiet after I immediately pause but then it clicks back to buzzing.
Sent from my LG-D850 using XDA Free mobile app

awtryau89 said:
I think it's the same thing. With the Bose it's like a humming buzzing sound. I don't hear it at all with the Apple $79 IEMs. They are listed at 23ohm impedance. With mine it's as if theorizing switches on and off though. I can switch apps or play music and its dead quiet after I immediately pause but then it clicks back to buzzing.
Sent from my LG-D850 using XDA Free mobile app
Click to expand...
Click to collapse
Same here, Bose QC20 LG G3 D855... Left Channel buzzing.
Do you think it's a defect of the phone?

they all have this problem, let's hope an update

olivierdo said:
they all have this problem, let's hope an update
Click to expand...
Click to collapse
I was almost returning my G3 and i was like "Hell no, again..." , i have exchanged my nexus 5, 5 times! and still has the same problem!

One interesting thing I will note guys, when I plug my headphones in that I hear a buzzing sound, I get the headphone icon in the NB. When I plug in the Apple headphones that I cannot hear the buzzing sound at all I get the headset icon in the NB.
I have read this is a Kit Kat 4.4 issue but I did not have it at all with a Galaxy S5. I am hoping it will be fixed soon but I am thinking about grabbing some different headphones anyway.

I have the buzzing just listening through the earpiece on the phone itself, no headphones required. I have the T-Mobile D851 model. So one would theorize that this is also using power since it's powering the earpiece to make noise. Some kind of electrical interference in the phone itself would be my guess.

Hi. Just got my UK spec G3 in the last few hours and I've just come across what I believe is the same problem. There is a distinct buzzing/crackling/static sounds when I have headphones connected via the 3.5mm jack. The sound is only present when I have certain media playing (using Spotify at the moment). I only notice this when connected using the jack and not when using my Bluetooth receiver (HTC BH S600). I did hear this while using two pairs of earphones while they were directly plugged into the device, the LG QuadBeat 2s from my G3 and the in box headphones from my old HTC One M7.

This has to be a software problem. I was just testing again and the buzzing becomes stronger in any app I use just when I touch the screen and scroll. I hope this is an easy fix in a custom rom. Also as I reported earlier, I do not have the buzzing during playback. I know this because I have tested some very quiet tracks and also checked on some very long gaps between songs. If it is humming it is much quieter. Only when I exit out of the Music app it is immediately quiet then it clicks in at about 2-3 seconds. I have also had a few quirks today where my headphones come up with the Aux Icon then after pausing the Music app a few times they switch to the Headset icon.
Not really sure what is going on but there has to be a software fix.
I will say the Music app sounds unbelievable with Viper4Android installed. It definitely has more oomph than with Play Music. Comparing the same tracks in both apps back and forth, the Music app is cleaner. Not sure what LG has done in that app but I like it.

I only get a buzz during charging. Disconnect the charger and it goes away. Most devices I've owned have the same issue recently. S4, S5, note 3, moto maxx, moto X, nexus 5 have all done it to me but only while charging

I have a really nasty popping crackling sound in between tracks when using aux in my car, but headphones no issues... Never had that problem at all on my nexus 5 so it can't be my head unit in my car

I wanted to post an update to this problem. I originally reported I had this issue with my Bose QC15 headphones. I do not have this issue with my Apple In Ear headphones. Today I was diagnosing things again and had been listening the the Apples. The Apples always correctly have the headphone icon show up in the Notification bar. When I plug in the Bose, I always get the Aux icon. This got me to thinking about if the cable was different. I pulled the cable out of the Bose and on the end that inserts into the headphones themselves there is a Hi Low switch. Mine was on high. When I switched it to Low, the G3 started to recognize them as headphones and not show the Aux icon. The hissing and buzzing immediately went away and its dead quiet. This switch is an input level switch and undoubtedly having it on Hi causes the G3 to not recognize the Bose properly.
There is a thread about the Aux input problem and I think they have it diagnosed. Its going to take some software manipulations. I listen to my G3 in my car through Bluetooth so I do not experience any issues on that end like the folks in that thread. As for headphones, I am not having the issue with my 2 sets.

Just a little update...
Updated to V10E, issue seems to be fixed...
No more buzzing noise in my left channel...
QC20
Sent from from my LG-D855

awtryau89 said:
I wanted to post an update to this problem. I originally reported I had this issue with my Bose QC15 headphones. I do not have this issue with my Apple In Ear headphones. Today I was diagnosing things again and had been listening the the Apples. The Apples always correctly have the headphone icon show up in the Notification bar. When I plug in the Bose, I always get the Aux icon. This got me to thinking about if the cable was different. I pulled the cable out of the Bose and on the end that inserts into the headphones themselves there is a Hi Low switch. Mine was on high. When I switched it to Low, the G3 started to recognize them as headphones and not show the Aux icon. The hissing and buzzing immediately went away and its dead quiet. This switch is an input level switch and undoubtedly having it on Hi causes the G3 to not recognize the Bose properly.
There is a thread about the Aux input problem and I think they have it diagnosed. Its going to take some software manipulations. I listen to my G3 in my car through Bluetooth so I do not experience any issues on that end like the folks in that thread. As for headphones, I am not having the issue with my 2 sets.
Click to expand...
Click to collapse
I have this problem when I plug into the car aux port (noise in between tracks). Just a quick question, which icon should appear in the NB if I plug in an audio cable from the Aux socket?

EpicChineseTime said:
Just a little update...
Updated to V10E, issue seems to be fixed...
No more buzzing noise in my left channel...
QC20
Sent from from my LG-D855
Click to expand...
Click to collapse
?? I'm in v10e and always thé sale problem

olivierdo said:
?? I'm in v10e and always thé sale problem
Click to expand...
Click to collapse
Mine it's resolved... [emoji5]
How strange...
Sent from from my LG-D855

I picked up a D855 V10d (Telstra branded Australia) two days ago and noticed this yesterday myself.
I have Shure SE425 canals and they make the static noise when idle, very noticeable on these headphones. When music or audio is playing the static goes away. This is of course only when the charger is plugged in.
I tested it with the LG headphones that came with the phone and the noise is still there but softer, grabbed my Samsung headphones that came with my S4 and couldn't hear anything. I believe it's due to the resistance of the headphones.
Another test was to turn off the phone and charge it with the headphones plugged in, no static noise if I did this.
Going to exchange the phone today as it's unacceptable, I primarily use it at work to listen to music and often charge it at the same time.