PowerTRC&reg; 7-port USB Hub with On/off Switch, Black (7 Port USB Hub) with Ac Adapter 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 Comes with an UL Approved AC Adapter! 2000mA. 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 higherr/ Linux 9. Do not work with MAC/Iphone/Ipad