The Mediarange Usb Type-C Hub With Four Ports Is Perfect For Connecting Up To Four Usb 3.0 Devices (E.G. Mouse, Keyboard, Printer, External Hard Drive) To A Smartphone, Tablet Pc, Computer Or Laptop With Usb Type-C Socket And Can Be Used For Connecting Usb 2.0 Devices As Well. The Hub Is Bus-Powered Via The Usb Port, So There Is No Additional Power Supply Required.