[ Easy Operation ] --- Match the mobile phone or tablet with the Bluetooth module, and select Aux from the radio, and then you can use the mobile phone to play music through the car speakers. [ Stable Performance ] --- Supports DSD large-capacity transmission, stable and fidelity data transmission between devices. Support to answer calls, which has clear sound. [ Car Audio Adapter ] --- Support common MP3 format audio, and also support WMA, WAV, FLAC and other high-quality audio format decoding. [ Practical Tool ] --- Allows you to listen to music from your phone/pad/mp3 (with Bluetooth function), strong practicality. [ Application ] --- Bluetooth 5.0 AUX cable adapter, backward compatible with 2.0 3.0 4.0 and so on. Plug and play, easy and quick installation.