TESmart Dual Monitor HDMI KVM Switch 2 Port is designed to control 2 dual-output computers or laptops and other applicable devices, using one set of keyboard, mouse and 2 monitors for extended, duplicated or spliced display at the same time. How to Get Dual Monitor Display and Keyboard & Mouse Work Make sure to connect both HDMI ports from each computer to the KVM Switch . Make sure the USB of Cable A /B is plugged into each computer and KVM switch. Scenario 1: Standard wired or wireless 104-key keyboard and 3-button mouse. Plug them into the port indicated for " keyboard and mouse" respectively. Wireless adapter goes to USB 2.0 port (could not support hot keys on the keyboard switching the input sources ) Scenario 2: Gaming, multi-media, mechanical, optical keyboard and mouse that are not well supported .For the best compatibility, Our dual view KVM switch has keyboard and mouse pass through mode turned on by default , In this mode, the keyboard and mouse are dynamically mapped to computer, so you are able to use special keyboard and mouse that with multimedia keys or other customized keys.buying USB2.0 hubs with power adapter for connecting your special keyboard, mouse and other USB devices. What?s in the Box: 1* 2 Port dual KVM (HDMI + HDMI)2* ( KVM cable A /B + HDMI 2.0 cable ) 4.92 ft 2* HDMI cable 4.92 ft 1* English User manual 1* Remote control (CR2025 battery not included)1* DC 12V power adapter (US plug) Note: Monitor cables are not included.