Application : Mobile Devices .desk Computer Ergonomic slant interface design, humanized technology considerations. System Support: Microsoft Windows XP / Vista / 7 or above. Backwards compatible with USB 2.0 and USB 1.1. Material: Aluminium alloy shell. No Device Driver Required for Hub Installation. Stable performance, durable and reliable. Reasonable USB interface layout, can support 4/7 USB high-speed devices simultaneously, and do not complict. Transfer rate up to 5Gbps. Support overload voltage and inter-current protection function, can protect the connected equipment. Plug and play, easy to install. Ideal connection for hard disk drives, digital cameras, scanners, printers, external CD/DVD,flash memory drives and etc. Brand new and high quality. Package include: 1 x Aluminum Alloy USB 3.0 Hub