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 wheel buttons. Support A2DP playback: easily streaming music of bluetooth devices into factory car stereo system Bluetooth 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 BTA BTA 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 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 ratio: 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 cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.