Working Voltage: 5V, Quiescent current: 50mA, Working current: 100-500mA, Interface include: 4 x USB2.0 Hub, Intelligent Charging Voltage/ Current: 5V/500mA, OS Supported: Windows 7, 8, 8.1, 10, Vista, XP, Mac OS 9.X, 10.X, Linux, Apple, Google