Feature: 1.3.5mm AUX USB adapter car Bluetooth4.0 audio cable for BMW & Mini Cooper 2.Automatic re-connection every time you enter the vehicle, no need to manual plug-in your phone every time 3.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. 4.Browse, skip and control music playback using original steering wheel. 5.Function Keys, mode button, press the Bluetooth mode, press again to U-Disk Mode. 6.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. 7.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.
Specification: Material: PVC + metal Color: black Working voltage: 5V Working current: 25-50mA Bluetooth version: Bluetooth4.0 (support for downward compatibility) Transmission Frequency: 2.4-4.8GHz Signal to Noise Ratio: in 75dB Distortion:<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 Cable length : 39cm/15.35in Fitment: fit for BMW & Mini Cooper ( just for reference.)