1、AUX audio cable, allows you to listen to music from your phone/pad/mp3 (with Bluetooth function). Bluetooth 0 version, backward compatible with 0 0 0 and so on. 2、Support common MP3 format audio, and also support WMA, WAV, FLAC and other high‑quality audio format decoding. 3、The connection is more stable, supports DSD large‑capacity transmission, and the data transmission between devices is stable and fidelity. 4、Supports high‑efficiency music transmission, and support to answer calls, which has clear sound. Plug and play, easy and quick installation. 5、Simple to operate, just match the mobile phone or tablet with the Bluetooth module, and select Aux from the radio, and then you can use the mobile phone to play music through the car speakers. 1 x Bluetooth AUX Adapter1 x Microphone Item Type: Bluetooth AUX CableMaterial: ABSVoltage: DC12VBluetooth: Bluetooth 5.0Microphone Cable Length: Approx.150cm/ 59.1in (manual measurement, please allow a slight error) Fitment: Replacement for Citroen C2 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Citroen C3 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Citroen C4 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Citroen C5 2004 + Blaupunkt/VDO/Bosch RD4Replacement for Citroen C6 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Citroen C8 2004 + Blaupunkt/VDO/Bosch RD4Replacement for Citroen Berlingo 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Citroen Jumpy 2007 + Blaupunkt/VDO/Bosch RD4Replacement for Citroen Synergie 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot Expert 2007 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot 207 2006 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot 307 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot 307SW 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot 307CC 2004 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot 308 2007 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot 407 2005 + Blaupunkt/VDO/Bosch RD4 Replacement for Peugeot 407SW 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot 607 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot 807 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot 1007 2005 + Blaupunkt/VDO/Bosch RD4Replacement for Peugeot 4007 2007 + Blaupunkt/VDO/Bosch RD4