COMPACT & PORTABLE: Three sockets convert and increase your car cigarette lighter from 1 to 3, it meet enough for GPS,dash cam & simultaneous use of a variety of portable appliance in your 12V/24V vehicle. All-in one design with small and lightweight features for added portability, easily fits in socket with limited space WIDE USAGE: The auto cigarette lighter supports charging 2 devices simultaneously at full speed with 3.1A in each usb port. Wide usage for all usb-powered devices (Universal compatible with any Android and Apple mobile devices) like iphone/ipad/kindle/android tablets/sport watch/cameras/iPods/MP3 players and more MULTI-PROTECT SAFETY SYSTEM & LONG CABLE: Built-in Safe fuse and smart recognition chip prevent from over-current, over-voltage, and short-circuit protection, ensure complete protection for you and your devices. The extension cord make it convenient for your family and friends in the backseat。