Roadacc (TM) 7-Port USB Hub with ON/OFF Switch USB Power Adapter Black (7 Port USB Hub) Expand your computers connectivity with this 7-port USB hub with ON / OFF switch Designed with 7-ports, this compact USB 2.0 high-speed hub is small enough for travel, and capable enough to meet your connectivity needs Plug and play; no driver required ON / OFF switches activate or deactivate individual ports LED indicator lights show which USB ports are in use at any given time Built-in USB cable. Color: Black. Supports: Windows 7/ Vista/ XP/ 2000 and Mac? OS X 10.2 and higher/ Linux 9