This 4 port USB2.0 hub provides 4 additional USB2.0 ports to your PC or MAC allowing you to connect USB devices such as mice keyboards flash drives and printers. The portable design is ideal for travel with dimensions of just 65 x 20 x 17mm   4 x USB2.0 ports Portable design Bus powered Built-in USB cable (11cm) Fully compliant with USB2.0 (High Speed) specification Compatible with USB1.1 (Full Speed) specification Data transfer rates up to 480 Mbps (USB2.0) Individual port over-current protection Plug and Play no driver installation required Hot-swappable Supports Windows 10 8/8.1 and Win 7 Supports Mac OS 9.x and above