Main Features: 1. Plug & Play: installed via original CD changer port, easy and fast, 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 original CD sound. 4. Allow you to easily have popular configuration of advanced car stereo, is the best choice for safe driving and enjoying digital music. 5. Bluetooth version: 5.0 6. Voltage: 5-12V Note: 1. Does not support hands-free phone call(HFP): It does not supports answer/hang up etc. Via car radio buttons and steering wheel buttons 2. Does not support Bluetooth AVRCP Control: Prev/Next Track, Pause/Play, Fast forward/backward via car radio buttons or steering wheel buttons. Applicable to all kinds of post-installed CD players, such as Alpine, Pioneer, Clarion and other navigation machines, the original car with AUX IN lotus female head behind the sound, can be inserted with the RCA male, to achieve Bluetooth music.Specification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 11cm * 11cm * 5cm / 4.33inch * 4.33inch * 1.97inch Qty per Carton 150 Carton Weight 11.25kgs / 24.80lb Carton Size 44cm * 44cm * 42cm / 17.32inch * 17.32inch * 16.54inch Loading Container 20GP: 327 cartons * 150 pcs = 49050 pcs40HQ: 761 cartons * 150 pcs = 114150 pcs