Made of durable ABS material and practical to use. Functions via Bluetooth-enabled devices. Compatible with car radios without functional limitations. Allows connection to an external audio source. Features Bluetooth 5.0 technology, backward compatible with Bluetooth 2.0, 3.0, and 4.0. Supports MP3, WMA, WAV, and FLAC audio formats. Designed for high-fidelity audio performance. Enables hands-free calling and audio streaming. Plug-and-play installation: connects to the vehicle’s CD changer port (RD4 interface). Pair your smartphone via Bluetooth, select AUX input, and play music from your phone. Compatible with Citroën and Peugeot models equipped with RD4 head units, including C2 (2005+), C3 (2005+), C4 (2005+), C5 (2004+), C6 (2005+), C8 (2004+), Berlingo (2005+), Synergie (2005+), Expert (2007+), 207 (2006+), 307 (2005+), 307 SW (2005+), 307 CC (2004+), 407 (2005+), 407 SW (2005+), 607 (2005+), 807 (2005+), 1007 (2005+), and 4007 (2007+). Color: Black. Package includes: 1 x Bluetooth adapter, 1 x microphone. Note: Actual product color may vary slightly due to screen settings. Measurement tolerance: ±1–3 cm.