USB 3.0 Switcher Ideal for Sharing Devices: share usb devices between 2 computers,such as printer, scanner, mouse, keyboard, card reader, flash drive and other USB deivce. USB 3.0 over 10×faster than USB 2.0 , Compatible with USB 3.0 and USB 2.0. Great Compatibility, Driver-free: for Windows 10/8/8.1/7/Vista/XP and Mac OS X, Linux, and Chrome OS, simply plug and play. One Button Switch,Multiport Connection: allows one button swapping between 2 computers to share 4 USB 3.0 peripheral devices without constantly swapping cables or set up complicated network sharing software. LED Light Indicator: Easily switch between 2 computers by a single click on the button with LED indicating the active computer. Separate Micro USB Receptacle: When using a high-power USB device, external 5V adapter is required. Normal, no external adapter is required.For optional power,optimizing its compatibility with more devices, such as HDD,Digital Video Cameras, SSD etc.