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 5.0 version, and compatible with 2.0 3.0 4.0 5.0 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 music, film, map navigation can be transmitted to the car, which can only transmit the sound, not play the image on the car.

Specifications:
1 x 10-pin connector
1 x Bluetooth module connector 12V
1 x red cable 12V + (positive)
1 x black cable 12V - (negative)
Cable length: approx 20 cm

Suitable for
9/2002- 2006 BMW (E46): 320i, 320ci, 320cic, 323i, 323ci, 323cic, 325i, 325ci, 325cic, 328i, 328ci, 328cic, 330i, 330ci, 330cic & M3 (Coupe, Sedan & Convertible)
Note: Will work only for BMW E46 3 Series Business CD head units since 09/2002 or newer , The E46 Business CD head unit manufactured time must be 09/2002 or newer.

Note: Please check the interface on the back of your CD host before purchasing to avoid purchasing errors. Thank you!

Package included: 1 x Car Bluetooth Adapter audio Aux 10-pin Cable For BMW E46 3-Series 2002-2006 Busines CD