Car Converter: This USB adapter with USB port power converter converts power from your USB port to your 12V cigarette lighter socket. AC to DC Adapter: The car power adapter turns any vehicle charger into an AC travel charger, lightweight and compact, perfect for travel and road trips. Multiple Protection Functions: The adapter has built-in voltage and current protection for safe charging, short circuit protection, overload protection, overcurrent protection, overheat protection and other multiple circuit protection functions. Multifunctional Charger: Realizes multi-purpose function; Not only can you use it to charge digital devices such as mobile phones, tablets, razors, etc., but it can also be used as a cigarette lighter to solve your problems without a lighter. Car cigarette lighter compatibility: The car power adapter charges your GPS, music player, radio station, car charger, etc., or any other device in your home.