Description: WITH 7 USB PORTSProvides 7 USB ports, equipped with four groups of USB sockets with hot-swap function to meet your different needs. USB 2.0 HUB7 ports USB2.0 interface, and is backward compatible with USB 1.1/1.0 standard specifications, a more practical design. SAFE TO USECurrent protection function, support overload voltage and instantaneous current protection function, safe and convenient to use. LED WORK INDICATORUsing electronic devices to ensure stable operation, with LED work indicator, the working status is intuitive and visible, which is more convenient. PLUG AND PLAYThe computer automatically recognizes and installs, no driver is required, plug and play, compatible for windows95/98/ME/2000/XP/Vista, compatible for OS 8.1or later. Specification: Material: plastic Color: black, white Size(approx): 15 x 3.8 x 2.5cm/5.91 x 1.5 x 0.98inch(length x width x height) Cable length(approx): 30cm/11.81inch Working humidity: 10% - 90% Working voltage: 5V Working current: 500mA Operating temperature: -20 - 75 Storage temperature: -40 - 85 Supported system: compatible for Windows 95/98/2000/2003/ME/XP/Vista or compatible for OS 8.1 or above (drivers need to be installed under compatible for Windows 95/98) Package: 1 pc x USB hub Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.