Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si and high quality. Plug and play: Installed via CD charger port, simple and fast,perfectly with the car Support hands-free phone calling(HFP): supports answer/ up etc. via car radio buttons and steering buttons. Support A2DP playback: easily streaming music of bluetooth devices into factory car stereo system Bluetooth AVRCP control technology: You can the car audio (or steering ) to control song /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 bluetooth supports hands-free answering calls (you can control answering / hanging up calls through the car audio and steering buttons), Support A2DP bluetooth music playback (through the car audio , steering control song / fast forward / fast rewind / pause, and support multiple Bluetooth devices) supply: 12V DC Voltage Input:11V~14.6V DC Operational current: 600mA Standby current: 20mA Frequency response: 20Hz to 20kHz, 2dB : less than equal 5W Distortion: 0.01% Signal to noise : 95dB Working temperature: -35degree Celsius-85degree Celsius Applicable models: For Material:ABS colour:Black Package Contents: 1 x Bluetooth adapter 1 x microphone 1 x English manual Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.