[USB KVM Switch ]This KVM Switcher help you use one set of keyboard,mouse,keyboard and printer to control 2 computers.You can switch between two displays.KVM switches keep your work space tidy and make your life simpler and more efficient. [Ultra HD 4K@60Hz Visual Enjoyment]This 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 Switch]kvm switch 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-Free]This kvm switch works with great compatibility, driver-free for /8/8.1/7/Vista/XP and OS, Linux, and Chrome OS, simply plug and play.No external power required. [Support for Multiple Devices] KVM switch box supports multiple input devices or signal source switching, such as , Pro, PS3, , TV Box, PC, laptop, , most of which support equipment. Color: Black Material: plastic Package Contents: 1 x KVM Switch 2 x USB Cable 2 x Cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.