Product Descriptions 1,This cable is with Bluetooth module. 2,This product is specially made for car audio/stereo. 3,Can be used with radios if only there is socket for our connector and it has AUX function. 4,Just plug the connector into the back of the radio,connect the two wires with 12V+(red), 12V-(black). 5,Choose Aux from the panel and connect your phone or mp3 with bluetooth. 6,You can enjoy the music from the phone or mp3 pad and more.(They phone should have Bluetooth function.) 7, Bluetooth 4.0 version, and compatible with 2.0 3.0 4.0 other versions of Bluetooth, can support the commonly used MP3 format audio, but also support the WMA WAV FLAC, and other high-quality audio format decoding, non-ordinary Bluetooth functions, can support DSD large capacity transmission. 8,In addition, the voice of QQ music, KuGou music, film, map navigation can be transmitted to the car, which can only transmit the sound, not play the image on the car. Specifications: Condition: 100%Brand New 1 x 3-pin connector 1 x Bluetooth module connector 12V 1 x red cable 12V + (positive) 1 x black cable 12V - (negative) Cable length: approx 25 cm Compatible with : 2002 - 2006 BMW (E46): 320i, 320ci, 320cic, 323i, 323ci, 323cic, 325i, 325ci, 325cic, 328i, 328ci, 328cic, 330i, 330ci, 330cic & M3 (Coupe, Sedan & Convertible) 09/2002+ 2002 - 2003 BMW (E39): 525i, 525iT, 530i, 530iT, 540i, 540iT & M5 (Sedan) 09/2002+ 2002 - 2006 BMW (E53): X5 3.0, 4.4, 4.6, 4.8 and X5 M 10/2002+ BMW BM54 E39 E46 E53 X5 This AUX line is suitable for large screen stereo host 16:9 . Atten: If you can't be sure your car please contact us. Package included: 1 x Bluetooth Module Adapter Audio Aux Cable For BMW BM54 E46 E38 E53 X5 E39