Had gotten one of these to assist with connecting my headset to my PS5, but just ended up getting limited edition proprietary headphones instead. Brand new, never opened. Please check to make sure this is what you need before purchasing.

And now for your eBay-generated description:

The Avantree DG80 Bluetooth USB Audio Transmitter is a black dongle that uses Bluetooth v5.0 technology to transmit audio. It is designed for gaming and has features that enhance the gaming experience. The product is an external USB Bluetooth adapter/dongle that can be used with computers, tablets, and other devices.