Features: 1.Adopt Bluetooth 5.0 protocol, backward compatible with 2.0 3.0 4.0 other versions of Bluetooth protocol, can support common MP3 format audio, also support for WMA, for WAV, for FLAC, and other high?quality audio format decoding. 2.Bluetooth function, can support DSD Large?capacity transmission, stable data transfer between devices, fidelity, designed for music enthusiasts.You can hear music from your phone/pad/mp3. 3.It can match your phone or pad to bluetooth module, and you can chooseAux from your radio, then you can use your phone to play music through car speakers. 4.Support efficient music transmission and Bluetooth 5.0 version, you can answer the phone, sound clear. 5.High quality, stable connection, significant performance, easy to plug and play. Specification: Item Type: AUX Cable_x000D_ Material: ABS_x000D_ Color: Black_x000D_ Voltage: DC12V_x000D_ _x000D_ Bluetooth: Bluetooth 5.0_x000D_ _x000D_ Microphone Wire Length: Approx. 150cm / 59.1in (Manual Measurement, Please Allow a Little Error)_x000D_ _x000D_ Fitment: Fit for Acura RDX TSX MDX CSX_x000D_ Installation:_x000D_ 1. Find the 12pin socket in your car (Back of Radio)_x000D_ 2. Install it directly and install the power cord. PackageList: 1 x Car Microphone 1 x AUX Bluetooth Adapter