Specification: 1. Provide 7 USB ports, 2.USB2.0 HUB 3. Built-in current overload short circuit protection device; 4. Use high-quality electronic devices to ensure stable operation; 5. The computer automatically recognizes the installation, no driver, plug and play, plug and play; 6. Support: windows95/98/ME/2000/XP/Vista, Mac 8.6 or later 7. With LED lights, the working status is visually visible. 8. The appearance is cute, beautiful and easy to use. Outer packaging: neutral blister + color card (large amount can be printed free of charge) 1. USB2.0 chip, real high speed chip. 2. (Hi-speed) USB2.0 interface, theoretical maximum speed up to 480Mbps, and backward compatible with USB 1.1/1.0 standard specifications 3. Equipped with four sets of USB jacks with hot plug function 4. Current protection function, support overload voltage and instantaneous current protection function, safe and convenient to use 5. Work indicator 6. Working humidity: 10% - 90% 7. Working voltage: 5V 8. Working current: 500mA 7. Working temperature: -20C - 75C 8. Storage temperature: -40C - 85C 9. Support system: Windows 95/98/2000/2003/ME/XP/Vista or Mac OS 8.1 or higher (driver needs to be installed under Windows 95/98 system) Warm Tips: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to lighting effects, monitor’s brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item. Your kind understanding will be much appreciated Package Included: 1pc x 7 Ports USB Hub