Share 4 USB 3.0 devices between two systems This USB Switch 4 Port device allows up to 2 users to share 4 USB 3.0 peripheral devices, such as printer,scanner,mouse,keyboard or usb disk etc without the need to constantly swap cables or set up complicated network sharing software. It's a great for use at home if you have multiple PCs or Macs. Faster Date Transfer USB 3.0 Switch supports ultra-fast USB 3.0 data transfer rates of up to 5Gb/s (10 times faster than USB 2.0), to work flawlessly with high-bandwidth USB 3.0 devices, such as external hard disks, high resolution webcams, camcorders, video surveillance cameras, digital video cameras, multi-channel audio and more, and is backward compatible with USB 2.0 and USB 1.1 devices. Easy Instalation This USB 3.0 switch is plug-n-play compatible, with no additional driver installation needed.USB bus powered - no power adapter required.