1.Smart USB Ports - 2-Port USB charging ports with 3.1A total output enables you to rapidly charge 2 devices simultaneously. with built-in Smart IC technology that can intelligently detect your devices to deliver its fastest possible charging speed2.THREE CIGARETTE LIGHTER SOCKETS - Three sockets meet enough for GPS,dash cam & simultaneous use of a variety of portable appliance in your 12V/24V vehicle3.Car adapter smooth and shiny plastic surface with streamlined appearance, upgraded plug can fix in your car socket stably.4.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. 5. 90 degree free rotation using posture by you ,70cm both the front and rear seats can be recharged by extending the power cord.