USB KVM Switch HDMI BoxThis KVM Switcher help you use one set of keyboard,mouse,keyboard and printer to control 2 computers.You can easily switch between two displays.KVM switches keep your work space tidy and make your life simpler and more efficient. Ultra HD 4K@60Hz Visual EnjoymentThis HDMI USB KVM switch supporting resolution 4K@60Hz,make image display more exquisite and realistic,color is more bright and moving,really give a feast for your eyes. Support One-Key SwitchJANCANE kvm has a one-key switch button on the top, no need to plug and unplug, one-key switch 2 computers, share 3 USB devices. The best solution for people who need to use 2 computers. Great Compatibility,Driver-FreeThis kvm switch works with great compatibility, driver-free for Windows 10/8/8.1/7/Vista/XP and Mac OS, Linux, and Chrome OS, simply plug and play.No external power required.