Usage Tips:Features: 1.Fitment: Replacement for Citroen C2 C3 C4 C6 Berlingo, Synergie. Replacement for Peugeot 307, 307SW, 407, 407SW, 607, 807, 1007, fit for Blaupunkt, VDO, for Bosch RD4, etc. 2.Function: You can use a bluetooth enabled phone or tablet to pair with the bluetooth module, and you can stream from your smartphone to your car stereo. 3.Bluetooth Version: The car auxiliary audio adapter supports Bluetooth 5.0 system, and is compatible with other versions 2.0 3.0 4.0 Bluetooth system. 4.Audio Format: Supports common MP3 format audio, also supports for WMA, for WAV, for FLAC and other audio format decoding, and can support DSD large capacity transmission. 5.Good Sound Effect: Connect the car stereo through the wiring harness, no interference, no loss of sound quality, comparable to the CD sound quality.Specification:Item Type: Car Bluetooth ModuleMaterial: ABS + MetalBluetooth Version: 5.0, compatible with other versions 2.0 3.0 4.0 Bluetooth systemBluetooth Module Voltage: 5V-12VFitment:Replacement for Citroen C2 C3 C4 C6 Berlingo, Synergie > 2005 for Blaupunkt, VDO, for Bosch RD4Replacement for Citroen C5 C8 > 2004 for Blaupunkt, VDO, for Bosch RD4Replacement for Citroen Jumpy > 2007 for Blaupunkt, VDO, for Bosch RD4Replacement for Peugeot 207 > 2006 for Blaupunkt, VDO, for Bosch RD4Replacement for Peugeot 307, 307SW, 407, 407SW, 607, 807, 1007 > 2005 for Blaupunkt, VDO, for Bosch RD4Replacement for Peugeot 307CC > 2004 for Blaupunkt, VDO, for Bosch RD4Replacement for Peugeot Expert, 308, 4007 > 2007 for Blaupunkt, VDO, for Bosch RD4