Made of , practical to use Bluetooth music adapter, plug and play, top sound quality Bluetooth connection activates when the ignition is switched on Allows streaming of music to the car radio via the Bluetooth feature of the phone or smartphone No functional restrictions on the car radio Enables connection of an external audio source Bluetooth 5.0 version, compatible with 2.0, 3.0, and 4.0 Bluetooth versions Built-in microphone supports hands-free calling during driving, enhancing safety Supports A2DP Delivers high-quality Bluetooth audio transmission Compatible with models: E60, E61, E63, E64, E65, E66 E81, E82, E87, E70 E90, E91, E92 Model years: 2004–2006 Not compatible with NAVI systems Not compatible with SA 609 (navigation system) Not compatible with SA 650 (Business Radio with CD drive) Not compatible with SA 661 (Business Radio with CD drive) Not compatible with SA 662 (Business Radio) Color: Black Material: Plastic Package Contents: 1 x Bluetooth Cable Adapter 1 x Microphone Only the above items are included; other products are not included Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.