?What You Get & Warranty? 1* Dual Monitor HDMI KVM, 1* IR remote control, 1* 12V DC power adapter, 1* User manual, 1* one-year warranty. We are committed to creating value for TESmart's customers, and we have a dedicated customer experience design department. If you have any doubts, please feel free to reach out to us. ?Plug and Play? Out of box without any software. Support hot plug. Disconnect or connect devices to the 2x2 KVM switch at any time without turning off PCs. ?Wide System Compatibility? 2 port KVM switch supports multiple operation systems. Compatible with Unix, Windows, Debian, Ubuntu, Fedora, Mac OS X, Raspbian, Ubuntu for Raspberry Pi and other Linux basic systems. ?Stereo Audio Output ? Our 2X2 KVM switch comes with 2 3.5mm Audio Jack ports with a DAC chip inside, which can be inserted into a 3-segment 3.5mm earpiece device. ?USB 2.0 Peripheral Devices Sharing? This 2 in 2 out KVM switch has extra Standard USB 2.0 port for sharing USB driver, Usb hub, hard dish, etc. Meet more demands at work, no need to worry about connecting office equipment. ?3 Convenient Switching Modes? Front panel key for one button switching, keyboard hotkeys for quick channel selection, IR remote control to switch without leaving a comfortable couch after the whole work day(AAA battery needed). ?Advanced Pass-through Mode? The latest pass-through mode further level up the compatibility of the keyboard and mouse. Supports wired, wireless, mechanical, multimedia, and gaming K&M (Not support wireless bluetooth K&M). To avoid accidental closing, this mode is now designed to be unclosable simplifying user operations. ?Keyboard and Mouse Seamless Switching? Work and Play without Lag making your use smooth and enhancing your work efficiency or gaming experience. ?Ultra HD 4K Visual Enjoyment? TESmart KVM switch support true 3840x2160@60Hz RGB 4:4:4 and downward compatible. With 3D, HDR, HDCP, and Dolby Vision, you will see more detail and it will really be a feast for your eyes. ?DisplayPort and HDMI KVM Switch? This 2 monitors 2 computers KVM switch is great for connecting 1 PC and 1 work laptop to share 1 set of keyboard, mouse and 2 monitors for extended or respective display. Let the dual monitor KVM switch balance your work and life. ( Each PC must make 1 HDMI and 1 DisplayPort video connections for dual monitor setups.).