Features: Connect up to 4 USB devices to any computer with a single USB port. Fully compatible with both USB 1.1 and 2.0devices and ports. Plug and play with no driver installation required. Overcurrent protection function Portable, compact and lightweight Ideal for Laptops Installation Connect the USB hub to the USB port on your computer or laptop. Your computer will automatically find the hub and device connected to it. System requirements Windows 98,me,2000,XP Mac OS 10.1 and above