... drivingBluetooth car kits with anto talkIntegrated in-car sound system to talk via loudspeaker system.Auto mute the car audio ... 2, Integrated in-car sound system, Black Bluetooth box connects directly to car loudspeaker system3, use car loudspeaker system to answer ... or make the phone call, Answer, make, reject and end calls easily and safely4, Automatically mute the car ...