Using bluetooth master chip, bluetooth version 5.0, high-speed transmission without distortion and high-definition sound quality With unlimited music transmission function Using bluetooth transmission, you can say goodbye to messy, and you can also online. In the era of streaming media, various online APPs are quite convenient, and the audio source is updated in time For models of different , according to the ports reserved at the back of the car's main engine, equipped with different connectors The product uses a wide range of voltage input to adapt to different use environments Lightly the function button to change song, long the function button for two seconds to switch to the previous song If the call comes, tap the function key to answer the call. If you need to hang up, tap the function key to hang up The product adopts high-end bluetooth module with noise reduction filter function, and the product uses digital audio processing to restore HIFI sound quality Fitment: For C2 2005 + // RD4 For C3 2005 + // RD4 C4 2005 + // RD4 C5 2004 + // RD4 For C6 2005 + // RD4 For C8 2004 + // RD4. Berlingo 2005 + // RD4 For Jumpy 2007 + // RD4 For Synergie 2005 + // RD4 For Expert 2007 + // RD4 For 207 2006 + // RD4 For 307 2005 + // RD4 For 307SW 2005 + // RD4 For 307CC 2004 + // RD4 For 2007 + // RD4 For 407SW 2005 + // RD4 Name: Car Audio Bluetooth Adapter bluetooth version: 5.0 Voltage: 5-12V Cable length: . 30 cm Colour:black Material:plastic Package Contents: 1 x Car Audio Bluetooth Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.