E-Bro Waterproof Black Dual 5V 2.1A USB Phone GPS 12V-24V Motorcycle Cigarette Lighter Intergration Motobike Power Port Socket Charger Outlet with Switch Handlebar Handle Bar Clamp 1 Cigarette Lighter Power Port, 2 USB Socket Input voltage: 12V-24V USB output voltage: 5V  0.24V USB output current: 2.1A