Alcey&reg; Premium 4 Port Aluminum USB Hub with 11 inch Shielded Cable for Mac, MacBook Air, MacBook Pro, MacBook, Mac Mini,Ultrabooks,Microsoft Surface RT,Laptops,Raspberry pi,and any PC Matches Macs perfectly: Ergnomically designed and uses the same anodized aluminium material as Macs, making it more resistant to wear and corrosion as well as feel better to the touch. Adds 4 unpowered USB 2.0 ports to your computer - Up to 480 Mbps data transfer rate Shielded Cable makes a safe and efficient data transfer for maximum performance and longtime usage. Stable and safe: Built-in surge protector keeps both your devices and data safe and supports hot swapping. Widely compatible: Compatible with 1.1; no drivers required for Windows 10/8/7/Vista/XP and Mac OS X 10.2 and above.