Car Converter: This USB adapter with USB port power converter converts the power from the USB port to a 12V cigarette lighter socket. AC to DC Adapter: This car power adapter turns any car charger into a lightweight and compact AC travel charger, perfect for road trips and car journeys. Multiple Protections: The adapter has built-in voltage and current protection for safe charging, short circuit protection, overload protection, overcurrent protection, overheating protection, and other circuit protections. Multifunctional Charger: This versatile charger can be used to charge digital devices such as mobile phones, tablets, shavers, etc., and also as a cigarette lighter adapter to solve your cigarette lighter problem. Car Cigarette Lighter Compatibility: This car power adapter can charge your GPS, music player, radio, car charger, etc., or any other device from your home.