Features: 1.Made of high quality ABS material, durabel and plug and play. Fit for Citroen and for Peugeot, to better meet your needs. 2.You can hear music from your phone/ pad/ mp3 (They should have bluetooth function). You can also use it to answer calls with clear sound quality. 3.Match your phone or pad to bluetooth module. And choose AUX from your radio, then you can use your phone to play music through car speakers. 4.Adopt Bluetooth 5.0 protocol, backward compatible with 2.0, 3.0, 4.0 and other versions of Bluetooth protocol. 5.Support common MP3 format audio, also support for WMA, for WAV, for FLAC, and other high?quality audio format decoding. 6.Non?general ordinary bluetooth function, supports DSD Large?capacity transmission and stable data transfer between devices. Specification: Item Type: Bluetooth AUX?IN Cable Material: ABS Color: Black Voltage: 12V Bluetooth Version: 5.0 Microphone Cable Length: Approx. 150cm/ 59in (Please allow a little error in size for manual measurement) Fitment: Fit for Citroen C2 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Citroen C3 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Citroen C4 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Citroen C5 2004 + Blaupunkt/VDO/Bosch RD4 Fit for Citroen C6 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Citroen C8 2004 + Blaupunkt/VDO/Bosch RD4 Fit for Citroen Berlingo 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Citroen Jumpy 2007 + Blaupunkt/VDO/Bosch RD4 Fit for Citroen Synergie 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot Expert 2007 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 207 2006 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 307 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 307SW 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 307CC 2004 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 308 2007 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 407 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 407SW 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 607 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 807 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 1007 2005 + Blaupunkt/VDO/Bosch RD4 Fit for Peugeot 4007 2007 + Blaupunkt/VDO/Bosch RD4 Installation Instruction: 1. Find the 12pin socket on the car (on the back of the radio) 2. Install directly and install the power cord. 3. Connect the red wire to 12V+, and connect the black wire to 12V-.