. Made of premium materials, practical and easy to use. Enables Bluetooth connectivity for compatible devices. Allows wireless connection of external o sources without limiting the functionality of the car radio. Features Bluetooth 5.0 protocol, backward compatible with Bluetooth 2.0, 3.0, and 4.0. Supports decoding of MP3, WMA, WAV, and FLAC o formats. Capable of DSD high-resolution o transmission with stable data transfer and high fidelity, ideal for music enthusiasts. Also supports hands-free calling, navigation, and media playback. Installation: Plug into the CD player jack (confirm compatibility), pair your mobile phone with the Bluetooth module, select aux o input to play music from your phone. Compatible with: C2 2005+, RD4; C3 2005+, RD4; C4 2005+, RD4; C5 2004+, RD4; C6 2005+, RD4; C8 2004+, RD4; Berlingo 2005+, RD4; Synergie 2005+, RD4; Expert 2007+, RD4; 207 2006+, RD4; 307 2005+, RD4; 307SW 2005+, RD4; 307CC 2004+, RD4; 407 2005+, RD4; 407SW 2005+, RD4; 607 2005+, RD4; 807 2005+, RD4; 1007 2005+, RD4; 4007 2007+ Blau, RD4. Color: Black. Material: ABS. Package includes: 1 x Bluetooth Adapter, 1 x Microphone. Product does not include other items shown in images. Note: Lighting and display differences may cause slight color variations between image and actual item. Measurement may vary by +/- 1-3 cm.