About this item Bluetooth 5.3 Version: The latest Bluetooth 5.3 technology allows for 33 feet long range transmission and stable connection, giving you a pleasant music environment while driving with an aux Bluetooth adapter. Enjoy High-Quality Music: The Bluetooth receiver converts non-Bluetooth devices into Bluetooth devices for wireless connection. In Transmitter Mode, send audio from your TV to headphones for private listening. In Receiver Mode, stream music wirelessly from your phone to your car stereo, cutting the cord. Suitable for cars with an aux adapter, speakers, stereo systems, and headphones. Plug and Play: Bluetooth car adapter auxiliary design with ON/OFF switch. When you turn on the switch, it will automatically enter pairing mode, very easy to use. Built-in HD Microphone: This 3.5mm Bluetooth aux adapter has a built-in HD microphone. Just press the power button to answer or hang up, pause or play musicno need to operate the phone interface, so you can drive safely. Pre