USB 3.0 4 ports super speed hub for computer/notebook. Drive free, supports: Windows (XP/Vista/7/8/8.1/10), Mac OSx(10.x and above), and Linux.The built-in intelligent USB charging port (2A/1A), has an intelligent auto switching chip.Multiple USB 3.0 interface supports plug and play, hot swap, easy to use and carry.USB 3.0 ports support super speed(5Gbps) transmissions, are downward compatible w/USB 2.0/1.1 devices.With LED indicator for power status, supports over current and instant current protection, protect the connected devices and itself USB 3.0 4 ports super speed hub for computer/notebook With an intelligent charging port, built in intelligent charging (2A/1A) auto switch chip Each port correspond an electronic switch Electronic switch: Press it shortly to turn on, Press it more one second to turn off Multiple USB 3.0 interface supports plug and play, hot swap, easy to use and carry Support usb 3.0 super speed(5Gbps) transmission, downward compatible USB 2.0/1.1. Drive free, spports windows xp/vista/7/8 and mac OS(10.x and above), linux Dimension: Approx 105x42x22mm (4.13x1.65x0.86in) Cable length: Approx 630mm (24.8in) Weight: Approx 90g (3.15oz) Meterial: ABS