Features: Expand your computer's connectivity with this 4 port USB hub. Super compact and light weight. Hot plug and play USB device. LED indicator lights show which USB ports are in use at any given time Built-in USB cable. Individual power switches for the energy conscious, suitable for flash drive, digital camera, DV, etc. Support capacity of 500GB.Compliant with:USB1.0: 1.5Mbps (Low-Speed)USB1.1: 12Mbps (Full-Speed)USB2.0: 480Mbps (High-Speed)Compatible System: for Windows 10/ 8/ 7/ Vista/ XP/2000 and for Mac OS 10.1