Bluetooth 5.0 version, also support 4.0 /3.0 /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/pad/mp3(They should have Bluetooth function).Voltage: 12VInterface: BluetoothItem Type: Cables, Adapters & SocketsSpecial Features: Radio Module Bluetooth AuxCompatibility:for C2 2005for C3 2005for C4 2005for C5 2004for C6 2005for C8 2004for Berlingo 2005for Jumpy 2007for Synergie 2005for Expert 2007for 207 2006for 307 2005for 307SW 2005for 307CC 2004for 308 2007for 407 2005for 407SW 2005for 607 2005for 807 2005for 1007 2005for 4007 2007colour:BlackMaterial:ABSPackage Contents:2 x Audio Cable Adapter2 x Bluetooth microphone4 x Disassembly toolOnly the above package content, other products are not included.Note: Light 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.