Absolutely satisfied with this gadget. It was purchased very cheaply from abroad to connect my TV, which does not support Bluetooth, with wireless headphones. It does everything it promises and even more. It connected easily, there are detailed instructions, and I did not notice any delay in the sound. We truly enjoy it when we need to use both TVs that are in the same space without disturbing each other. It is really worth it for the job I need it for.

It does its job for its money, but don't expect anything crazy in terms of sound quality that comes through the headphones.

Connected quickly with the wireless in-ear headphones of a well-known major company, but there is a delay in sound transmission and the sound quality is well below average. For the purchase price of around €10, I would prefer to spend a little more for better sound and more immediate sound transmission.

Good. It connects easily. I use it to listen to sound from the TV and it has a slight delay. If you can't adjust the sound offset from your playback device, it will be a bit annoying when watching series/movies.

I connected it very easily as the previous reviewers said, with the plug in the headphone jack and the USB side in the TV's USB port.
However, it has a slight delay in the sound.

For its price, it is quite good, but at maximum volume, especially because it directly takes power and does not involve a battery, I would like something more in both volume and quality. Tested on a Smart TV with a self-amplified speaker of 100w RMS with a 3.5mm Jack plug and on headphones of the headband type. Also with a good quality 3.5mm Jack plug. For obvious reasons, I will not mention brands.

Perfect really..connected very easily..and especially if you have aux and usb in the glove compartment of the co-driver, you won't need to connect it to the car's lighter socket

I bought two. One to use as a transmitter, in order to connect Bluetooth headphones to my LG smart TV that didn't have Bluetooth.
The second one for use as a receiver, so I can play audio from my mobile, laptop, and tablet on the living room's large sound system via Bluetooth.
Both of them work perfectly and the device pairing worked on the first try without any issues. I didn't notice any delay between the picture and sound as mentioned by other users, there is perfect synchronization (e.g. in movies, the dialogue is simultaneous with the movement of the actors' lips, and the same goes for the sound in general with what appears on the screen). The sound quality is excellent for movies and music. The instructions included in the packaging are detailed and understandable. Overall, I highly recommend it.

It does exactly what it says, which unfortunately doesn't suit me. I have connected it to a desktop with WIN10, I wanted it more for my BT headphones, which also have a mic, but it's not an adapter/dongle. This results in device-to-device pairing, meaning in other words, the transmission of sound from my computer to the device to the headphones, while what I wanted was for the computer to pair with the device so that I can receive all the capabilities of my BT headphones. I tried installing BT drivers but it was in vain because my computer says that there is no connected BT adapter. Good device, works perfectly, but personally, it's not what I wanted. Also, I don't know what could be causing it here, but I have at least a 1-second delay in sound when playing games, not 0.01 seconds but a whole 1 second. What is causing this delay, I can't understand.

Connection to the television. Very easy to connect and with good quality. Perfect solution for anyone who wants to watch television without disturbing at night.
If I notice something negative, I will come back.
After two weeks of using it for 1-2 hours at most per day, it stopped connecting.
I have been searching for 3 days and haven't achieved anything.
I will come back if I find the solution.

It does what it says.
It works both as a receiver and as a transmitter. The small screen and the buttons for changing songs are very useful.

Very good. It connected immediately to the Bluetooth headphones on the computer.
It didn't connect to the TV, so I paired it with the PC and then it worked.
Loses one star because sometimes when the headphones are turned off and on again, it doesn't connect automatically. I have to unplug it from the USB port and plug it back in to pair.
Edit: after some time of use, the sound quality is not good. Quite a lot of interference.

Fast and easy connection, slight lag in sound, a little noise from the power supply when the input signal is low. Overall, excellent for its price!

Excellent! With a screen to know which Bluetooth speaker or headset you connected to. Immediate and very fast connection without any problem. The only negative thing I noticed is a slight delay in the sound.