【Sharing USB Devices】This USB switcher shares USB devices with two computers such as keyboard, printer, scanner, mouse, card reader, flash drive and other USB hub port. 【One Button Switch】This USB switcher allows one button swapping between 2 computers to share 4 USB peripheral devices without constantly swapping cables or set up complicated network sharing software. 【LED Light Indicator】This USB switch selector can easily switch between 2 computers by a single press on the button and the LED indicator will also show you which computer you are currently using. 【Great Compatibility, Driver-free】USB switch are compatible for Windows 10/8/8.1/7/Vista/XP and Mac OS X, Linux, and Chrome OS, simply plug and play. 【Rybozen 3-YEAR Warranty】Any problems, pls contact us and we will reply to you within 24 hours. Rybozen provides 36 months warranty and lifetime technical support for this dual monitor USB switch. 4-Port USB Switch
Excellent choice to share 4 USB devices between two Computers, saving time and space!
USB 2.0 sharing switch with a separate micro USB Receptacle for option power, which optimizing its compatibility with more devices, such as HDD,Digital Video Cameras, SSD etc.
Button and LED Indicator Design. Easily switches between systems via push ONE button with LED indicating the active computer.
Easy Installation. This KVM USB Switcher is plug-and-play, with no additional driver installation needed. No power adapter is required. Applications

Great for PC test/burn-in computer control, saving the desk space required for two monitors, keyboards, mouse and hard disk; Perfect for sharing computers and attached peripherals in the home or home office;
Dual system control for single-user workstations increases user productivity in the office, home, SoHo, entrepreneur, investment banker;