USB KVM HDMI Switch Box This HDMI USB KVM Switch allows you to one-button control 2 computers with only one set of USB devices, such as mouse, keyboard, printer and monitor. Just one-key can easily switch 2 computers, making your work and life much more simple and efficient. It is a great choice for people who need to use 2 computers Ultra HD 4K@ 60Hz Visual Enjoyment With the output resolution up to 4K@60Hz, this KVM Switcher 2 port box helps to display more exquisite and realistic image, giving you a wonderful visual impact! And this KVM Switch 2 computers also support 4K@30Hz,1080P or lower resolution. Note: The output resolution depends on the computer's original resolution Upgrade USB Port & Greatly Compatibility In order to meet the needs of a wide range of customers, we have upgraded the USB port to USB 3.0 port, making the data transfer more stability. Our 2 computers one monitor kvm switch driver-free for Windows 10/8/8.