【KVM Ideal for Sharing Devices】such as printer, scanner, mouse, keyboard, card reader, flash drive and other USB deivce between 2 computers. | 【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 2.0 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. 【Important Note】 Please use Standard 5V Adapter(Not Included, sold separately) for powering.