Features: brand new and high quality Using bluetooth-compatible master chip, bluetooth-compatible 5.0 version, high-speed transmission without distortion, sound quality up to high-definition standards. This product is aimed at different brands of vehicles, and is equipped with different connectors and plugs according to the reserved interface behind the original car host. The product uses a wide range of voltage input to adapt to different use environments. Can be used with radios if only there is socket for our connector and it has AUX function. You can enjoy the music from the phone or mp3 pad and more.(They phone should have bluetooth-compatible function.) for CD20 30/50 series car. Specifications: Material:Plastic Size:Approx.5.3x3x1cm/2.09x1.18x0.39in Net Weight:50g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Car AUX Adapter