Bluetooth adapter for Citroen C6 C8 with 12Pin RD4 connector1、Applicable Model: Car Aux cable, replacement for Citroen C2 C3 C4 C5 C6 C8; Replacement for Peugeot 207 307 307SW 307CC 308 407 407SW 607 807 1007 4007 etc. 2、Wiring Instructions: You can just insert the 12pin connector to the back radio, then connect the red wire to 12V+, the black wire to 12V‑. 3、Easy to Use: 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、Bluetooth Mucsic Function: Designed for music enthusiasts, you can hear music from your phone/pad/mp3(They should have blueooth function). 5、Durable Material: Processed with high‑quality ABS and metal materials, wear‑resistant, high‑temperature resistant, and have a long service life.