iHarbort USB 3.0 4-Port Hub, Portable Aluminum Hub For Apple iMac, Mac Pro, Macbook Pro, Macbook Air, Windows Computers or Tablets, With 2-Feet USB 3.0 Cable Apple-style aluminum design creates an excellent extension USB ports to your Mac machine. Also work with Windows system computers or tablet pcs. Easily add 4 USB 3.0 SuperSpeed ports to your PC, laptops and tablets (including Microsoft Surface, Ultrabooks and MacBook), eliminating the trouble of switching among devices. Plug and use, no drivers required for Windows 8.1/ 8 / 7 / Vista / XP or Mac OS X 10.2 and above. Built-in surge protection keeps your devices and data safe and supports hot swapping. Lifetime warranty, we also have other model of USB hub, if you want, please search "iHarbort USB HUB" in amazon. Package contents: iHarbort USB 3.0 4-Port Aluminum Hub, USB 3.0 cable (2ft)