TLDR; If you seek for great sound - it's not for you. If you needs something in a gym - they may be something you are looking for. Nothing Ear (1) https://eu.nothing.tech/products/ear-1 Lets get this out of the way, quality of sound is NOTHING to write home about. If you put more than 50% of it's volume you start to hear distortion. Things I did not get to test yet - how long they can hold. And now list of good things that can redeem said product. It costs 99 Euro. Let me repeat, 99 euro... I confirm it works with Android. In fact its easy...

In a nutshell, not an audiophile. However, best sound I have ever experienced in my life. I have not experienced much. Many hours of computer gaming + MP3s, compfy at all times. So good in fact I forget to take them off sometimes. You can hear through them. I am technically minded. One aspect I was curious about, what I am able as audiophile. And apparently, while I am not, I found out that I can hear slightly below 20Hz, probably 18-19 or so. I did sound test using those earphones, as they provide lover sound frequency below 20Hz. Upper level, I...

I shall be short. Tech specs are not bad. Or at least were not bad, when card came out. Dobly Surround 7.1 It had bells and whistles, like hardware accelerated 3D sound  extensions. Digital output. It has 24kbit and sample rate of whooping  192000, which is pretty cool.   I bought it because at time i didn't have spare PCI slot on my PC, which did the trick. I was tired of bad USB cards that didnt work under Linux. I got advice from Kernel Dev list, suggesting this one here. It does not have hardware mixer in it, so dmix under Linux is necessary...