4 Ports high speed USB 2.0 hub.Friendly and ergonomic design.Supports data transfer rate up to 480Mbps.Portable, easy to use, plug and play.Type: USB Hub 2.0Material: ABSUSB: USB 2.0Data TransferRate:1.5Mbps, 12Mbps, up to 480MbpsPower Supply: 5V, 500mAOperating Temperature: 0 - 70 Degrees CentigradeStorage Temperature: 10 - 90 Degrees CentigradeOperating System: for Win95 OSR2/98SE/Me/2000/XP/VISTA, for Linux2.4, for Mac os8.5 aboveFeatures: 4 Ports, Portable, Indicator Light, High Speed, On Off SwitchDimension: 12cm x 2.1cm x 3.5cm/4.72" x 0.83" x 1.38" (Approx.)Cable Length: 50cm/19.69" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 xUSB Hub 2.0