It doesn't even work as trash, it has no signal for headphones within one meter and it keeps disconnecting, it even caused a problem during the computer's boot sequence while it was connected. I will recommend it to people I dislike so they can deal with troubleshooting

Do not prefer it,
it is not worth the trouble, with many disconnections, resulting in it breaking in a few days and being thrown in the trash as useless

Very good in size and function, don't be afraid the bluetooth works as it should! The only thing that made me change my initial evaluation is that after a while it stopped working, but it might have been my own mistake as I didn't pay attention and didn't always have it connected!

It does not have a good range at all. That means if you go more than 1 meter away from the place where you have connected it, it will not catch the signal. Even if you move a little and it cannot see you or if you put something between the transmitter and the receiver, then the signal will not pass through.

For simple things on the computer, it is excellent for its price, for example, I got it to connect my Bluetooth headset to the PC and in terms of quality, it's fine. The only negative thing is that the sound does not amplify if you increase the volume from the TV (which would happen if it had a 3.5mm port)

Just don't buy it, it broke immediately. You will waste both your time and your money, better to go for something more expensive.

So, I bought it for connecting an Xbox One S controller, but it DOES NOT work. It requires Bluetooth version 4 for this specific task. However, to be fair to the USB stick, it does a great job for such an affordable price (I think it's worth up to 2-3 euros) and it can store all devices in its memory... It also has a nice red LED. It doesn't need drivers, at least for Windows 10 64-bit that I have! I tried some drivers, but it's not worth it, you don't gain anything. Just to have something to say. Windows have everything needed to work properly. However, if you generally find drivers for previous versions of Windows for a USB stick, then install them in compatibility mode. But I repeat, they are not necessary. Finally, I haven't tried it for music, so I can't say for sure. Personally, I believe it's worth it for simple tasks without a doubt. If you want something more advanced, go for version 4.

Crap. It didn't have drivers, not even for a sample. One catches, ten don't catch. Sound quality in good wireless headsets is TERRIBLE. Stay away. It's better to spend the two euros on a souvlaki

I bought it to wirelessly connect my PS3 controller to my computer. It does its job well, there is just a small delay in the vibration of the controller. However, I only play Rocket League, so I just turned off the vibration and everything is fine. Also, it starts to disconnect after a distance of more than 1 meter.
EDIT: After 3+ years, it still works perfectly fine. For 2 euros, it's great