Features:brand new and high qualityProvide 7 USB ports, USB2.0 HUB. (Hi-speed) USB2.0 interface, the theoretical maximum rate can reach 480Mbps, and is backward for USB 1.1/1.0 standard specifications.Built-in current overload short-circuit for protection device, support overload voltage and instant current for protection function, safe and convenient to use.Use high-quality electronic devices to ensure stable operation. With LED lights, the working status is intuitive and visible.The computer automatically recognizes and installs, does not require a driver, plug and for play, and is equipped with four sets of USB sockets with hot-swappable function.Support system: for Windows 95/98/2000/2003/ME/XP/Vista or for Mac OS 8.1 or above (driver needs to be installed under for Windows 95/98). Specifications:Material: ABSWeight: 99gSize: 16.5x3.6x2.2cm/6.5x1.42x0.87inchColor: Black/WhiteWorking Voltage: 5VWorking Current: 500mAInterface Type: USB 2.0 Note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1x USB Hub