What's in the box:

150CM Car Bt AUX Adapter Wireless Audio Phone Call Handsfree Microphone Replacement for Volkswagen (Standard)

Features:
The bt module is made replacement for Volkswagen.
Just plug the 12pin connector into the socket back of your radio.
You can just Insert this item to the back radio then Connect the red wire to 12V+, the black wire to 12V-.
Match your phone or pad to bt module.and Choose Aux from your radio, then you can use your phone to play music through car players.
You can hear music from your phone/pad/mp3(They should have bt function).

Specifications:
Color: Black
Material: Plastic
BT Version: 5.0
Package Size: 18*13cm
Package Weight: 44g

Packing List:
1xAdapter