Auto Drive Smart Car Charger with Pulsing Light is a must have item that makes life so convenient, It is designed to fit conveniently into a vehicles power socket and features dual USB charging ports, one of which supports Quick Charge 3.0 up to 3A, its built-in LED pulsing light indicates different fun colors during charging. Whats more, it comes with additional functions controlled by its APP companion. Simply download the APP called Smart 12V+ at APP Store or Google Play and you will be able to locate the position of where you park your car, monitor voltage and customize the pulsing light through the APP. Auto Drive Smart Car Charger with Pulsing Light is designed to keep up with your active lifestyle, and it makes a great helper for road trips and everyday driving. Multi functions realized by APP: 1. Smart 12V+ APP: Simply download the Smart 12V+ APP from the App Store (IOS devices) or Google Play (Android devices) to access more functions through the APP. 2. VOLTAGE MONITOR: Open the APP Smart 12V +, go to Car Battery Monitor to have a view at the voltage status. 3. FIND YOUR CAR: After parking, the current parking position and time will be automatically recorded. Open the APP Smart 12V+, go to find my car to locate your car through the phone map. When you are 10 meters away from your car, you will be prompted. 4. CUSTOMIZE LED RING LIGHT: LED ring light will change colors randomly when the charger is inserted into the cigarette lighter socket. You can also customize the mode and light (16,000 color options) in the APP. (Note: IOS only supports music downloaded with its own player, and does not support music downloaded by third-party players.)