Main Features: 1. Plug & Play: installed via CD changer port, easy and fast, perfectly integrated with the car. 2. Wireless A2DP Playback: easily streaming music of Bluetooth devices into factory car stereo system. 3. Hi-fi Sound Quality: Connected to car stereo via wire harness, no interference and no loss of sound quality, rivaling CD sound. 4. Allow you to easily have popular configuration of advanced car stereo, is the for safe driving and enjoying digital music. Note: 1. Doesn't support hands-free phone call(HFP): It doesn't supports answer/hang up etc. Via car radio buttons and steering wheel buttons 2. Doesn't support Bluetooth AVRCP Control: Prev/Next Track, Pause/Play, Fast forward/backward via car radio buttons or steering wheel buttons. Installation Guide: Before installation, Please read this manual carefully. Installation Preparation: 1. This product operates on a vehicle with 12 volt or 5 volt DC negative ground system. Do not use it on other voltage system. 2. This product only fits car stereo with CD changer port and different solutions of Bluetooth adapter would be adopted according to different of vehicles or different car radios. 3. Make sure car stereo is powered off before installation. Otherwise the car stereo may be damaged. It is suggested to install it a car dealer shop or professional car stereo store. Material: ABS colour: As shown Package Contents: 1 x audio cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.