Usage Tips:[USB KVM Switch]This KVM Switch allows you to control 2 computer with only one set of controls(Monitor,Mouse,Keyboard and Printer).You can easily 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 , 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 10/8/8.1/7/Vista/XP and OS, Linux, and Chrome OS, simply plug and play,No external power required. Easily switch between 2 displays by a single click on the button. Feature: -Compatible2.0 Application: Computer,Television,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.