Catalog > Consumer Electronics > Computer Peripherals > Computer Accessories USB Port Hub USB Port Hub USB2.0 HUB 4 PORT V1 #TT 4 PORT USB2 HUB WITH ON /OFF SWITCH (TT-505) Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Chipset: GL850A chip, real hi-speed 2.0 chipWith On/Off SwitchCable Length 60cmDimensions : 8.8x2.3x1.95cmHi-speed USB 2.0 connector, Max. 48OMbps, compatible with USB 1.1/1.0 Standard specificationsEquipped with seven group USB holes with Hot swap functionsCurrent protection function, support overload voltage and instantaneous electric current protection function practical safety and convenienceWith Indicator LampWorking temperature -20~+75degCWorking Voltage: 5VWorking current: 500mASupport System : Windows 95/98/2000/2003/ME/XP/Vista or Mac OS 8.1 up (below 95/98 System need to install drivers)