<p>1. 4 Port-- Used to share 4 USB or for -compatible peripheral devices(like scanner, USB hard drive or other USB devices) without having to constantly change cables. (Using only 1 set of keyboard, mouse and monitor to control 4 PCs)</p> <p>2. Mouse Keyboard Sharing-- Using only 1 set of keyboard, mouse and monitor to control hosts Laptop.</p> <p>3. Material--The shell made of aluminum alloy material, , heat-resistant, it expands the life of the USB switch.</p> <p>4. Easy to operate--Plug-and-Play design will be easier to use, no app is needed.</p> <p>5. Others--Compact design reduces office expenses and saves a lot of space.</p> <p>Description:</p> <p>Four hosts share a set of display \/ keyboard and mouse to improve work efficiency.</p> <p>4K@60HZ clear picture quality. Support 4Kx2K high-definition resolution clear and detailed display.</p> <p>Easy switching, neat desktop. High-speed transmission without lag, no loss of picture and sound quality.</p> <p>USB transmission technology mouse and keyboard without delay.</p> <p>Metal shell, wear-resistant, high temperature resistant, good heat dissipation.</p> <p>Material: Metal</p> <p>colour: black</p> <p>Package Contents:</p> <p>1 x KVM Switch</p> <p>1 x Desktop Controller</p> <p>4 x USB cable</p> <p>1 x Chinese and English instruction manual</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>