Description; The 4-port USB 2.0 hub provides 4 Hi-Speed USB 2.0 ports for your high-speed connectivity needs. This device is USB 2.0 and provides a data transfer rate of up to 480 Mbps (high speed). It supports Windows® 98SE, 2000, ME, XP, Vista and Mac OS X or later. Also supports USB 1.1 devices since it is backward compatible with USB 1.1 specifications. It is very easy to use, Plug-n-Play, hot swappable and portable.; ; ; Features; 4 USB 2.0 ports for easy expansion; Supports a data transfer rate of up to 480 Mbps; 40 Times faster than USB 1.1 products; Plug-n-Play, hot swappable; Backward compatible with USB 1.1 specifications; Supports Windows 98, 98SE, 2000, ME, XP, Vista and Mac OS X or later version; Overcurrent Protection; LEDs allow for easy status monitoring; Self Powered (also available: optional power port); USB cable tucks away when not in use; ; Specifications; Housing Case; Plastic; LEDs; 1 x Power on / 4 x Status; Power Consumption; 5.0V,; Ports; 4 downstream; Operating Temperature; 20 to 50 degrees (Celsius); Storage Temperature; 0 to 70 degrees (Celsius); Operating System Support; Windows®, 98SE, 2000, ME, XP, Vista , MAC OS 8.6 or greater; USB Specification; USB 1.1 and 2.0 compliant; Transfer Rate; 480 Mbps; Humidity; 20-80% RH, (Non Condensing); Cable Length; 4 ft. (.1.2 m.); Power Connections; DC adapter (Optional); Cable Connections; Hi-Speed USB Type A (female); ; Requirements; For PC Users; ; Windows®98SE, 2000, ME, XP ,Vista; Available USB 2.0 port; For MAC Users; ; Mac 8.6 or greater. Requires OS X for USB 2.0 support; Available USB 2.0 port; Note: Optional power adapter (100-240V, DC5V 1A or 2A) may be required for use with power hungry devices such as external hard drives.; ; ; Package Content; Hi-Speed USB 2.0 4 Port Hub; Power Adapter; USB 2.0 Cable;