and high quality. Plug and play: Installed via CD charger port, simple and fast,perfectly with the carSupport hands-free phone calling(HFP): supports answer/ up etc. via car radio buttons and steering wheel buttons. Support A2DP playback: easily streaming music of bluetooth devices into factory car stereo systemBluetooth AVRCP control technology: You can use the car audio host (or steering wheel) to control song selection /prev/ track,pause,fast forward/backward. Hi-Fi sound quality: Connected to car stereo via wire harness, no interference and no loss of sound quality, rivaling CD sound. Multimedia car bluetooth connector BTABTA bluetooth supports hands-free answering calls (you can control answering / hanging up calls through the car audio host and steering wheel buttons),Support A2DP bluetooth music playback (through the car audio host, steering wheel control song selection / fast forward / fast rewind / pause, and support multiple Bluetooth devices) supply: 12V DCVoltage Input:11V~14.6V DCOperational current: 600mAStandby current: 20mAFrequency response: 20Hz to 20kHz, 2dB: less than equal 5WDistortion: 0.01%Signal to noise ratio: 95dBWorking temperature: -35degree Celsius-85degree CelsiusApplicable models:For Material:ABScolour:BlackPackage Contents:1 x Bluetooth adapter1 x microphone1 x English manualOnly 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.