Out Power: Other features: Bluetooth / AUX / USB / interface / panel Interface: USB2.0 Item type: cable, adapter and socket Suitable for for E39 E53 X5 Z4 E85 E86 X3 E83 Implement functions through Bluetooth devices. There are no functional limitations of car radios. Allows you to connect to an external audio source. You can enjoy the music played on your phone through the car speakers. Pair your phone with Bluetooth module and select Aux from the radio. colour:black Material:plastic size:Length: 40 mm Width: 18 mm Height: 45 mm Cable length: 150 cm Package Contents: 1 x AUX USB interface panel 1 x cable Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.