durable and practical to use Function via Bluetooth-enabled devices.No functional limitations of the car radio Allows you to connect an external audio source With the improvement of wireless technology and the subsequent wireless mission is the trend of the times, Adopt Bluetooth 5.0 protocol, backward compatible with 2.0 3.0 4.0 other versions of Bluetooth protocol, can support common MP3 format audio, also support for WMA, for WAV, for FLAC, and other high-quality audio format decoding, non-general ordinary Bluetooth function, can support DSD Large-capacity mission, stable data fer between devices, fidelity, designed for music enthusiasts.in addition, you can use watching movies, map navigation, etc. Installation: Plug into the CD player Jack (please confirm corresponding socket), mobile phone is connected with the Bluetooth module,aux audio source selection, you can play mobile phone music. Fitment: For C2 2005 + Blaupunkt/VDO/Bosch RD4 For C3 2005 + Blaupunkt/VDO/Bosch RD4 For C4 2005 + Blaupunkt/VDO/Bosch RD4 For C5 2004 + Blaupunkt/VDO/Bosch RD4 For C6 2005 + Blaupunkt/VDO/Bosch RD4 For C8 2004 + Blaupunkt/VDO/Bosch RD4 For Berlingo 2005 + Blaupunkt/VDO/Bosch RD4 For Synergie 2005 + Blaupunkt/VDO/Bosch RD4 For Peugeot Expert 2007 + Blaupunkt/VDO/Bosch RD4 For Peugeot 207 2006 + Blaupunkt/VDO/Bosch RD4 For Peugeot 307 2005 + Blaupunkt/VDO/Bosch RD4 For Peugeot 307SW 2005 + Blaupunkt/VDO/Bosch RD4 For Peugeot 307CC 2004 + Blaupunkt/VDO/Bosch RD4 For Peugeot 308 2007 + Blaupunkt/VDO/Bosch RD4 For Peugeot 407 2005 + Blaupunkt/VDO/Bosch RD4 For Peugeot 407SW 2005 + Blaupunkt/VDO/Bosch RD4 For Peugeot 607 2005 + Blaupunkt/VDO/Bosch RD4 For Peugeot 807 2005 +Blaupunkt/VDO/Bosch RD4 For Peugeot 1007 2005 + Blaupunkt/VDO/Bosch RD4 For Peugeot 4007 2007 + Blaupunkt/VDO/B