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. Specifications: Item Type: AUX Cable Material: ABS Color: Black Voltage: DC12V Bluetooth: Bluetooth 5.0 Microphone Wire Length: Approx. 150cm / 59.1in (Manual Measurement, Please Allow a Little Error) Fitment: Fit for Acura RDX TSX MDX CSX Installation: 1. Find the 12pin socket in your car (Back of Radio) 2. Install it directly and install the power cord. Package List 1 x Car Microphone 1 x AUX Bluetooth Adapter