Note:

After being connected to bluetooth i will not be able to use call feature

Features:
100% brand new and high quality
Made of high quality material, durable and practical to use
Applicable for: Most cars have auxiliary USB port, the aux / AUX-IN port provides audio, and 5V / 12V compatible USB port  
The Auxiliary USB must be connected at the same time.
It is easy to install. With degaussing ring, reduce noise, can make the playback effect better
Plug and Play Bluetooth Aux In Adapter
Allow you to stream music to your car radio through Bluetooth on your cell phone/smartphone
Support all Bluetooth-enabled devices
There is no functional limitation of car radio

Specification:
Shell Color: Black(As pictures show)
Connector: USB Aux Connector
Bluetooth: 5.0
Connection: USB plug, 3.5 mm plug
Bluetooth Module Connector: 12V
Material: ABS Shell
Fit for BMW E90 E91 E92 E93
Quantity: 1

How to Install:
You must connect the usb bluetooth receiver, compatible with 5V / 12V usb.
You need to connect 3.5mm aux, then bluetooth can read audio from car or other audio player.

Package Contents: 
1 * Car Audio Bluetooth Receiver

Note: 
1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2.Please allow slight manual measurement deviation for the data.