... calling come.Descreption:1, the black Bluetooth control box will be installed behind the radio or hidden beneath the console, leave keypad control ... call, Answer, make, reject and end calls easily and safely4, Automatically mute the car audio when a phone call is coming in5, ... , use 4x45W amplifier to power the 4 speakers of the car7, the sound of Car audio will be back automatically when you end ...