It is bluetooth 5 version, Support 4.0 /3.0 /2.0 Connector : bluetooth 8pin and green 6pin The bluetooth module is made for updatelist Just plug the 6pin 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 through car speakers. You can hear music from your phone/pad/mp3(They should have blueooth function). Condition: Fitment: for (models 2005 to 2011) for Espace (models 2005 to 2011) for Kangoo (models 2005 to 2011) for (models 2005 to 2011) for (models 2005 to 2011) for (models 2005 to 2011) for Trafic (models 2005 to 2011) for (models 2005 to 2011) for (models 2005 to 2011) for Master (models 2005 to 2011) Colour:Black Material:ABS Package Contents: 1 x Audio Cable Adapter 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 . The measurement allowed is +/- 1-3cm.