GearMo 3DH USB 3.0 4-Port Hub, with 12V 2.5A Power Adapter and 3ft USB 3.0 Cable All aluminum alloy design , fashionable and useful. Unique Blue LED indicator for power and device status. 4 USB ports support hot-swap, plug and play, very easy to use. Support over current and instant current protection, protects connected device and Hub itself. OS Compatibility: Windows XP, 2003, CE, Vista, Windows 7, and Windows 8 as well as Linux and Mac OS 10.X