1Mii Bluetooth 5.3 Transmitter Receiver For Tv To Wireless Headphones, Dual, Gym The Latest Bluetooth 5.3: The latest bluetooth 5.3 technology enables your aux bluetooth adapter backward compatible with bluetooth 5.2/5.1/5.0/4.2/4.0/3.0/2.0 and it can deliver more stable wireless to your devices. Aptx Low Latency: With advanced aptx low latency technologies, it can deliver up 80% lower latency. Whether you are playing video games or watching movies, you'll experience high quality sound without audio and video to be out of sync issue. 2-in-1 Transmitter and Receiver: In tx mode, it is very easy to turn a non-bluetooth tv, pc, gym/flight equipment into bluetooth transmitter. In rx mode, it can make music stream to those speakers/car/home stereo systems which without bluetooth. Wide Compatibility: 1Mii bluetooth audio adapter supports the devices with 3.5mm aux/2RCA audio jack. Long Battery Life: 1Mii bluetooth receiver for home stereo deliver 12 hours in transmitter mode and up to 15 hours in receiver mode, all on one charge.