Add in your car: 1) answer calls phones safely and with one click; 2) listen to music from your phone, MP3 player, tablet, laptop, TF card and connected devices via aux cable in the sound of your car; 3) control the quality of your car battery With our voltmeter function; 4) charge your devices through the secure USB port; 5) LCD screen with ideal size to view your telephone calls, music, car battery voltage and other information with more comfort and quality. Add all these functions with just one device is not amazing? Bring your car to new generation in a simple and safe way!