Pecification: Name: Audio Cable Adapter Material: ABS Bluetooth: 5.0 Shell Color: Black Voltage: 5 - 12V Weight: 80 g Applicable models: For BMW 3 Series (E90, E91, E92, E93)( From 2003 ). Allows you to stream your music via the Bluetooth function of the mobile phone / smartphone to your car stereo. in conjunction with:AUX must be selectedor are to be enabled!•609 (navigation system) •SA 650 (BMW Business radio with CD drive) •SA 661 (BMW Business radio with CD drive) •SA 662 (BMW Business radio) Important reminder: The radio must have AUX function.Please check whether your vehicle has an AUX function mode. If not，please don’t buy it. Thank you. Features: 1. Bluetooth connection, only when the ignition switch is turned on. 2. Allows you to stream music to the car radio through the Bluetooth function of the mobile phone/Smartphone. 3. No vehicle radio function restrictions. 4. Allows connection to external audio sources. 5. Bluetooth 5.0 version, compatible with 2.0, 3.0, 4.0 and other versions of Bluetooth. 6. Facilitates conversation during driving, improving driving safety. Package Includes: 1x Bluetooth 5.0 Audio Cable Adapter For AUX BMW 1x Microphone Cable