The bluetooth module is made for radio 6pin 8pin port. Just plug the green 6pin ,blue 8pin 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 bluetooth module.and Aux from your radio, then you can use your phone to play music through car speakers. You can hear music from your phone/pad/mp3(They should have blueooth function). This item is NOT compatible with : stereos have the 6 CD Player built into the stereo.stereos with the 'Blue&Me' Bluetooth audio streaming feature. As this adaptor plugs directly into the car radio, there is no loss of sound such as experienced with a FM type of adaptor. Port : mini iso 6pin 8Pin Suitable for the following vehicles: for 159 (Radio models 2007 onwards) for Grande Punto (radio models 2007 onwards) Material:plastic colour:black Package Contents: 1 x Bluetooth adapter Set Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.