Using bluetooth master chip, bluetooth version 5.0, high-speed transmission without distortion and high-definition sound qualityWith unlimited music transmission functionUsing bluetooth transmission, you can say goodbye to messy, and you can also play music online. In the era of streaming media, various online APPs are quite convenient, and the audio source is updated in timeFor models of different , according to the ports reserved at the back of the car's main engine, equipped with different connectorsThe product uses a wide range of voltage input to adapt to different use environmentsLightly press the function button to change the next song, long press the function button for two seconds to switch to the previous songIf the call comes, tap the function key to answer the call. If you need to hang up, tap the function key to hang upThe product adopts high-end bluetooth module with noise reduction filter function, and the product uses digital audio processing to restore HIFI sound qualityName: Car Audio Bluetooth Adapterbluetooth version: 5.0Voltage: 5-12VMicrophone cord length: 1.5 metersFitment:for 307/308/206/207for Elysee/C4Colour:blackMaterial:plasticPackage Contents:1 x Car Audio Bluetooth Adapter1 x MicrophoneNote: This device is only suitable for RD09 USB host, please refer to the picture of the center control panel before purchasingOnly 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.