Feature:1. The adapter allows you to connect an external audio source, bluetoothenabled devices.2. Special manufacturing according to the car port, a wireless Bluetooth music product with nongeneral ordinary Bluetooth function.3. Adopts Bluetooth 4.1 protocol, backward compatible with other versions of Bluetooth protocol like 2.0, 3.0, 4.0.4. Support common MP3 format audio, also support for WMA, for WAV, for FLAC, and other highquality audio format decoding.5. Can provides DSD largecapacity and stable transmission which ensures hifi sound quality, specially designed for music enthusiasts.Specification:Item Type: AUX AdapterMaterial: ABSFitment:Fit for Citroen C2 2005 + Blaupunkt/VDO/Bosch RD4Fit for Citroen C3 2005 + Blaupunkt/VDO/Bosch RD4Fit for Citroen C4 2005 + Blaupunkt/VDO/Bosch RD4Fit for Citroen C5 2004 + Blaupunkt/VDO/Bosch RD4Fit for Citroen C6 2005 + Blaupunkt/VDO/Bosch RD4Fit for Citroen C8 2004 + Blaupunkt/VDO/Bosch RD4Fit for Citroen Berlingo 2005 + Blaupunkt/VDO/Bosch RDFit for Citroen Jumpy 2007 + Blaupunkt/VDO/Bosch RD4Fit for Citroen Synergie 2005 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot Expert 2007 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 207 2006 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 307 2005 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 307SW 2005 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 307CC 2004 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 308 2007 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 407 2005 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 407SW 2005 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 607 2005 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 807 2005 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 1007 2005 + Blaupunkt/VDO/Bosch RD4Fit for Peugeot 4007 2007 + Blaupunkt/VDO/Bosch RD4How to Use:Insert the CD player jack (please confirm the corresponding jack), connect the mobile phone to the Bluetooth module, select the aux audio source, and play mobile music.Wiring:Red Wire---PositiveBlack Wire---Negative.Package List:1 x Bluetooth AUX Adapter