Features: 1.The adapter allows you to connect an external audio source, bluetooth?enabled devices. 2.Special manufacturing according to the car port, a wireless Bluetooth music product with non?general 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 high?quality audio format decoding. 5.Can provides DSD large?capacity and stable transmission which ensures hi?fi sound quality, specially designed for music enthusiasts.Specification:Item Type: AUX Adapter_x005f_x000D_Material: ABS_x005f_x000D_Fitment:_x005f_x000D_Fit for Citroen C2 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Citroen C3 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Citroen C4 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Citroen C5 2004 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Citroen C6 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Citroen C8 2004 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Citroen Berlingo 2005 + Blaupunkt/VDO/Bosch RD_x005f_x000D_Fit for Citroen Jumpy 2007 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Citroen Synergie 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot Expert 2007 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 207 2006 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 307 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 307SW 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 307CC 2004 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 308 2007 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 407 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 407SW 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 607 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 807 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 1007 2005 + Blaupunkt/VDO/Bosch RD4_x005f_x000D_Fit for Peugeot 4007 2007 + Blaupunkt/VDO/Bosch RD4_x005f_x000D__x005f_x000D__x005f_x000D_How to Use:_x005f_x000D_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._x005f_x000D__x005f_x000D__x005f_x000D_Wiring:_x005f_x000D__x005f_x000D_Red Wire---Positive_x005f_x000D_Black Wire---Negative