TekGrip Power DockThe TekGrip Power Dock is the ideal hands-free solution to quickly, easily and securely mount and power your smartphone or other mobile devices in your car. The mount features "one-click" arm expansion and convenient portrait or landscape viewing when you"re on the go. Features:PowerGrip arms securely hold the mount in your 12v port360 rotation for portrait or landscape viewingFolding support legs for added support when neededFits devices up to 4 inches wide2 amp total output