1、The Bluetooth module is used for RD4 radio, which is widely used and fit for Peugeot. Fit for Citroen. 2、Simply plug the 12-pin connector into the socket on the back of the radio, then connect the red wire to 12V+ and the black wire to 12V-. 3、Match your mobile phone or tablet to the Bluetooth module, then select AUX from the radio, and then you can use your mobile phone to play music through the car speakers. 4、Processed with high-quality materials of ABS, wear-resistant, high-temperature resistant, and have a long service life. 5、With compact shape, lightweight and portable, take up no space and you can put it anywhere. 1 x Bluetooth AUX Adapter1 x Microphone Item Type: Bluetooth AUX AdapterMaterial: ABSWiring Instructions: Red wire to positiveBlack wire to negativeThe signal receiving head connects to the radio signal interfaceFitment:Fit for Citroen C2 2005 + for Blaupunkt/VDO/for RD4Fit for Citroen C3 2005 + for Blaupunkt/VDO/for RD4Fit for Citroen C4 2005 + for Blaupunkt/VDO/for RD4Fit for Citroen C5 2004 + for Blaupunkt/VDO/for RD4Fit for Citroen C6 2005 + for Blaupunkt/VDO/for RD4Fit for Citroen C8 2004 + for Blaupunkt/VDO/ for RD4Fit for Citroen Berlingo 2005 + Blaupunkt/VDO/for RD4Fit for Citroen Jumpy 2007 + Blaupunkt/VDO/for RD4Fit for Citroen Synergie 2005 + Blaupunkt/VDO/for RD4Fit for Peugeot Expert 2007 + for Blaupunkt/VDO/for RD4Fit for Peugeot 207 2006 + for Blaupunkt/VDO/for RD4Fit for Peugeot 307 2005 + for Blaupunkt/VDO/for RD4Fit for Peugeot 307SW 2005 + for Blaupunkt/VDO/for RD4Fit for Peugeot 307CC 2004 + for Blaupunkt/VDO/for RD4Fit for Peugeot 308 2007 + for Blaupunkt/VDO/for RD4Fit for Peugeot 407 2005 + for Blaupunkt/VDO/for RD4Fit for Peugeot 407SW 2005 + for Blaupunkt/VDO/for RD4Fit for Peugeot 607 2005 + for Blaupunkt/VDO/for RD4Fit for Peugeot 807 2005 + for Blaupunkt/VDO/for RD4Fit for Peugeot 1007 2005 + for Blaupunkt/VDO/for RD4Fit for Peugeot 4007 2007 + for Blaupunkt/VDO/for RD4