Material: ABSModel: BC20Weight: 75Storage capacity: no memoryFM frequency modulation function: NonePC interface type: 3.5mmSize: 1.2 inchesPower supply voltage: 12-24Screen color: monochrome screenPower supply mode: cigarette lighter type car MP3Audio source: independent audio interface car MP3Packing informationFull set weight: 75g bare metal accessories: 53gPacking size: 18.2*10*3.2cmPackaging accessories1. Host2. Instructions3. 3.5mm extension cordfeature of productUpgrade your car audio to Bluetooth hands-free wireless audio easily and simply Playing the music on your smart phone, iPad, iPod, and other devices with Bluetooth products will allow you to wirelessly play back the music on your smart device from your car stereo You can browse the music list on your smart device at will within the scope of the car, select your favorite music to play/pause; previous song; next song, music selection, hands-free answering and other operations The signal-to-noise ratio of up to 90dB and the ultra-low audio distortion of 0.05% fully meet your needs for high-quality audio Support Bluetooth hands-free function, you can answer any call while listening to music Support all car audios with AUX input Supports up to 5 mobile phone connections, and prioritizes the connection of the last paired mobile phone