Switch Usb Devices Between Computers - Share 4 Usb 3.0 Peripheral Devices Between 4 Different Computers. Perfect For A Small Office To Share A Keyboard, Mouse Printer, Or Even A Portable Hard Drive 4X4 Usb 3.0 Peripheral Sharing Switch Provides A Convenient Means To Share Four Usb Devices Between Four Different Computers. A Simple Press Of The Button Changes The Connection Of Four Usb Devices Such As Keyboard, Mouse, Printer, Portable Hard Drives, Etc. From One Computer To Another Usb 3.0 Compliant With A Data Transfer Rate Of Up To 5Gbps, The 4X4 Usb 3.0 Peripheral Sharing Switch Works Well With High-Bandwidth Devices Such As Hard Drives, High-Resolution Webcams, Etc Cables Included - 4X Usb 3.0 Cables, 1X Selector Button. Optional Micro Usb Cable Can Be Connected To Support Additional Power (Up To 2.5W Via Usb 2.0 Port, Up To 4.5W Via Usb 3.0 Port) Supports Hot-Plugging Which Allows Easily Add Or Remove Computers Connected To The Installation Without Having To Power Down The Switch. Over-Current Protection