Car Wireless Bluetooth Audio AUX and USB Music Adapter Cable for BMW Mini Cooper 1.3.5mm AUX USB adapter car bluetooth4.0 audio cable for BMW for Mini Cooper 2.This bluetooth Music Adapter 4.0 is a plug-and-play wireless bluetooth music adapter, designed for BMW's with original or aftermarket USB or AUX-IN systems. 3.Function Keys, mode button, press the bluetooth mode, press again to U-Disk Mode. 4.Indicator Light, bluetooth mode, Blue lights are on. If it is not paired, the Blue light is often flicker and if pairing is successful, the blue light is always on. 5.USB interface, in the U-Disk mode, Red light is always bright, insert the U-Disk, waiting for the time to read about 10 seconds. Product name : bluetooth music adapter Working voltage: 5V Working current: 25-50mA bluetooth version: bluetooth 4.0 (support for downward compatibility) Transmission Frequency: 2.4-4.8GHz Signal to Noise Ratio: in 75dB Distortion:Less than 1% Voice Prompt: Support boot matching voice prompts strong Strong Noise Removal: Built-in noise removal circuit, audio noise is more clear. Connecting Devices: bluetooth Connector: USB/3.5mm - AUX, USB Cable Fitment : fit for BMW Mini Cooper ( just for reference.) Material : Plastic Color : Black Package Contents: 1 * Bluetooth Music Adapter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x005F_x000D_