Features: 1. Bluetooth 5.0 version, backward compatible with Bluetooth protocols 2.0, 3.0, and 4.0. 2. Functions via Bluetooth-enabled devices, allowing connection to an external o source. 3. No functional limitations of the car radio; reliable and easy to use. Compatible with iOS Tablet, iOS Phone 5, 5C, 5S, 6, 6 Plus, 7, 8, X, and other compatible devices. 4. Supports common MP3 format o, as well as WMA, WAV, and FLAC high-quality o format decoding. 5. Supports DSD large-capacity transmission, ensuring stable data transfer between devices and high-fidelity sound quality. Specification: Item Type: Bluetooth AUX-IN Cable Material: ABS Voltage: DC12V Bluetooth: Bluetooth 5.0 Fitment: Compatible with Citroen C2 2005+ with Blaupunkt/VDO/RD4 Compatible with Citroen C3 2005+ with Blaupunkt/VDO/RD4 Compatible with Citroen C4 2005+ with Blaupunkt/VDO/RD4 Compatible with Citroen C5 2004+ with Blaupunkt/VDO/RD4 Compatible with Citroen C6 2005+ with Blaupunkt/VDO/RD4 Compatible with Citroen C8 2004+ with Blaupunkt/VDO/RD4 Compatible with Citroen Berlingo 2005+ with Blaupunkt/VDO/RD4 Compatible with Citroen Jumpy 2007+ with Blaupunkt/VDO/RD4 Compatible with Citroen Synergie 2005+ with Blaupunkt/VDO/RD4 Compatible with Expert 2007+ with Blaupunkt/VDO/RD4 Compatible with 207 2006+ with Blaupunkt/VDO/RD4 Compatible with 307 2005+ with Blaupunkt/VDO/RD4 Compatible with 307SW 2005+ with Blaupunkt/VDO/RD4 Compatible with 307CC 2004+ with Blaupunkt/VDO/RD4 Compatible with 308 2007+ with Blaupunkt/VDO/RD4 Compatible with 407 2005+ with Blaupunkt/VDO/RD4 Compatible with 407SW 2005+ with Blaupunkt/VDO/RD4 Compatible with 607 2005+ with Blaupunkt/VDO/RD4 Compatible with 807 2005+ with Blaupunkt/VDO/RD4 Compatible with 1007 2005+ with Blaupunkt/VDO/RD4 Compatible with 4007 2007+ with Blaupunkt/VDO/RD4 Application: Works with iOS Tablet, iOS Phone 5, 5C, 5S, 6, 6 Plus, 7, 8, X, HTC, Nokia, and other Bluetooth-enabled phones or tablets. (Please ensure your device has Bluetooth functionality.) Installation: 1. Locate the 12-pin socket in the car (on the back of the radio). 2. Install the adapter directly and connect the power cord. Package List: 1 x Bluetooth AUX-IN Adapter 1 x Microphone 2 x Bracket