[USB KVM Switch]This KVM Switch allows you to control 2 computer with only one controls(Monitor,Mouse,Keyboard and Printer).You can switch between two displays.Makes your work and life much more simple and efficient.LED light color(Green or Blue) indicating the active computer. [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. Of course, it also support 4K@30Hz,,3D and 1080P or lower resolution [Support Multi Devices & Widely applied] KVM support many kinds of input devices or signal sources switch,such as for , for Pro, for PS3, for , TV Box, PC, Laptop, for ,most of the capable devices.It is widely applied for Enterprise, Office, Multimedia Teaching, Meeting Room Gaming Room, Home Theater, Research Test etc. [Great Compatibility & One Button Switch]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. switch between 2 displays by a single click on the button. Feature: -Compatible2.0 Application: Computer,,TV box Type: Audio Extension Cord Connector B: USB,-Compatible Connector A: USB,-Compatible Model Number: SA03 Gender: Male-Male KVM Switch: KVM Switch 2 Port Box color:As shown Material:plastic Package Contents: 1 x KVM Switch 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.