Bluetooth 5.0 version, also support 4.0 or 3.0 or 2.0. Non-destructive installed in your car. Just plug one end of this cable into the CD changer input in the back of your stereo. Match your phone or pad to bluetooth module.and Choose Aux from your radio, then you can use your phone to play music through car speakers. You can hear music from your phone or pad or mp3(They should have Bluetooth function). Voltage: 12V Interface: Bluetooth Item Type: Cables, Adapters and Sockets Special Features: Radio Module Bluetooth Aux Compatibility: for Citroen C2 2005 for Citroen C3 2005 for Citroen C4 2005 for Citroen C5 2004 for Citroen C6 2005 for Citroen C8 2004 for Citroen Berlingo 2005 for Citroen Jumpy 2007 for Citroen Synergie 2005 for Peugeot Expert 2007 for Peugeot 207 2006 for Peugeot 307 2005 for Peugeot 307SW 2005 for Peugeot 307CC 2004 for Peugeot 308 2007 for Peugeot 407 2005 for Peugeot 407SW 2005 for Peugeot 607 2005 for Peugeot 807 2005 for Peugeot 1007 2005 for Peugeot 4007 2007 colour:Black Material:ABS Package Contents: 1 x Audio Cable Adapter 1 x Bluetooth microphone 2 x Disassembly tool 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.