Bluetooth 5.0 version, also supports 4.0 /3.0 /2.0. Non-destructive installed in your car. Simply plug one end of cable into the CD changer input on the back of your stereo. Match your phone or pad to the Bluetooth module.and Choose Aux from your radio, then you can use your phone to play music through the car speakers. You can hear the music from your phone / pad / mp3 (should have Bluetooth function). Voltage: 12V Interface: Bluetooth Item Type: Cables, Adapters & Plugs Special Features: Aux Bluetooth Radio Module Compatibility: for C2 2005 for C3 2005 for C4 2005 for C5 2004 for C6 2005 for C8 2004 for Berlingo 2005 for Jumpy 2007 for Synergie 2005 for Expert 2007 for 207 2006 for 307 2005 for 307SW 2005 for 307CC 2004 for 2007 for 407 2005 for 407SW 2005 for 607 2005 for 807 2005 for 1007 2005 for 4007 2007 Color: Black Material: ABS Package Contents: 2 x Audio Cable Adapter 2 x Bluetooth Microphone 4 x Disassembly Tool Only the above package content, other products are not