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Expand one USB port to four USB ports, every port can supply 500mA current (Max).USB bus-powered, no external power source needed.5 indicator: 1 power LED, 4 work LED.USB specification 1.0 and 1.1 compliant, compatible with USB2.0, full speed transmissionat 12Mbps.System support Win 95 OSR2/98/98se/Me/2000/xp, Linux/Mac OS.
USB 4 Ports Hub (Without Adapter, 5LED)
