Bluetooth 5.0 Adapter:Bluetoot adapter adopts 5.0 technology to provide more stable and faster transmission, lower power consumption and excellent sound quality. Bluetooth 5.0 with audio adapter can maintain a distance of up to 10 meters (without obstacles). Transmitter and Receiver: Bluetooth adapter can be easily switched between transmitter (TX) mode and receiver mode (RX). Receiver Mode: Wirelessly streams sound from your Bluetooth-enabled phone or computer to your wired stereo, speakers, or headphones. Transmitter Mode: Wirelessly stream sound from your non-Bluetooth TV, stereo system or CD player to your Bluetooth headphones or speakers. Wide Compatibility: Bluetooth receiver is equipped with a 3.5mm cable and a 3.5mm to 2RCA cable. This transceiver adapter can be widely used in your computer, laptop, home stereo system, headphones, smart phone, CD player, MP3 player, game console, etc. Auto Re-pairing: Anything all you have to do is flip the switch and set it to the mode you want to connect to quickly and easily. An internal battery ensures that the Bluetooth adapter can be used for up to 10 hours and instantly connects to already paired devices. New version: The Bluetooth adapter has been significantly upgraded from than the previous version, providing wider compatibility, faster transfer speed, better sound quality and continuous use for more than 7 hours. We also provide 24-hour friendly customer service, if you have any problems, please feel free to contact us and we will help you solve your problem.