How to Use:
The frist step,
Remove the CD host player, the large plug into the plug in the back of the corresponding audio interface. This is a Bluetooth cable with a large plug, which can be directly inserted into the corresponding large plug interface of the original car's CD host.
The second step,
Open the phone Bluetooth, search bluetooth click on the link.
Third step,
The car CD to switch to AUX mode, you can phone all the sound from the car sound.

Specification:
Item Type: Car AUX In Cable
Material: ABS+rubber+copper
Color: Black
Bluetooth Version: 5.0
Voltage Input: 5V-12V DC
Operational Current: 600mA
Standby Current: 20mA
DAC Resolution: 20bit
Total Harmonic Distortion: 0.05%
SNR: 90dB
Frequency Response : 20HZ-20KHZ
Operating Temperature: -35℃ - +75℃
Fitment: Replacement for E46 2009/2002- 2006 : 320i, 320ci, 320cic, 323i, 323ci, 323cic, 325i, 325ci, 325cic, 328i, 328ci, 328cic, 330i, 330ci, 330cic M3 (Coupe, Sedan, Convertible)

Package List:
1 x Car AUX In Cable
1 x Micphone

Note:
The item with Micphone.Will work ONLY replacement for 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.