What You Get: 1 x HDMI 2.0b KVM USB Switch, 2 x USB data cable, 1 x User Manual. Enbuer ensures long-time satisfaction of your purchase, friendly and easy-to-reach customer service to solve your problems timely. If you have any problems, Please contact us we will slove immediately. Plug and Play: Button switch signal source device, freely switch between 2 computers by pressing a button. Simple to install, plug and play, no driver is needed. Powered by USB: No external power adapter required, please connect the USB cable between the computer and the KVM first. Wide Compatibility: This HDMI kvm switch kit can compatible with all laptops with HDMI port and other devices. It has adaptive EDID, adapt to Windows, macOS, Linux, UNIX and other operating systems. UHD 4K Visual Enjoyment: The kvm switch supports HDMI 2.0 and standard HDCP 2.2. Support max resolution up to 4K@60Hz, also support 1080P or lower resolution, makes image display more exquisite and realistic. HDMI 2.0b KVM USB switch: The KVM Switch allows control 2 computer with one set of controls (keyboard and mouse) and display screen. Realizes 2 in and 1 out free selection synchronous switching. You can centrally control and manage hosts laptop or game console without having to move from one workstation to another.