Function via Bluetooth-enabled devices for added convenience. Allows connection to an external audio source and access to various radio programs. Stream audio from your smartphone to your car stereo. Pair your phone with the Bluetooth module and select Aux on your radio. Easy to install with no functional limitations on the car radio, offering multiple connectivity options.Specifications: - Model: A42313 - Material: ABS Plastic - Cable Length: approx. 17.5cm / 6.9in - Black: GND- - Red: 12V ACC+ - Connector: 12 Pin - Bluetooth Module Connector: 12V Fitment: - Compatible with Audio 20, Audio 30, Audio 50 APS - Compatible with Comand APS (NUR NTG2) - Compatible with A-W169, B-W245, C-W203, CLK-W209 (04/04~), M-W164, GL-X164, R-W251 with Audio 20, Audio 30, Audio 50 APS, Comand APS - Compatible with Mercedes A-Class W169 - Compatible with Mercedes B-Class W245 - Compatible with Mercedes C-Class W203 - Compatible with Mercedes CLK-Class W209 - Compatible with Mercedes GL-Class X164 - Compatible with Mercedes M-Class W164 - Compatible with Mercedes R-Class W251 - Compatible with Mercedes S-Class W221 - Compatible with Mercedes SL-Class R230 - Compatible with Mercedes CL-Class (20042006) - Compatible with Mercedes Benz models W169, W245, W203, W209, W164 Package List: - 1 x Audio Cable 100% Satisfaction: Customer satisfaction is our top priority. If you encounter any issues with the product upon receipt, such as damage or incorrect quantity, please contact the seller immediately. We are committed to providing reliable after-sales support.