For BMW E90 E91 E92 E93 Cable Adapter Accessories 2021 Car AUX Bluetooth Audio

Fit for BMW E90 E91 E92 E93. Plug and Play Bluetooth Aux In Adapter. Applicable for: Most cars have auxiliary USB port, the aux / AUX-IN port provides audio, and 5V / 12V compatible USB port. You need to connect 3.5mm aux, then bluetooth can read audio from car or other audio player.