The bluetooth module is made for Volvo. Just plug the 14pin connector into the socket back of your radio. Pair your phone or mp3 or pad with bluetooth to the module. It is bluetooth 4.0 version, not need password when connecting. Choose AUX from your radio and you can play music from your phone in your car. Cable length: 1.5m Connector: 14Pin Bluetooth module connector: 12V The adapter is compatible with the following models: for VOLVO C30 for VOLVO C70 for VOLVO S40 for VOLVO S60 for VOLVO S70 for VOLVO S80 for VOLVO V40 for VOLVO V50 for VOLVO V70 for VOLVO XC70 for VOLVO XC90 Material:plastic Colour:black Package Contents: 1 * Bluetooth AUX audio cable 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.