CKLau 4Kx2K@60Hz 4 Port Quad Monitor KVM HDMI Switch with Audio, Microphone, USB 2.0 Hub, Cables for 4 Computers Sharing Single Keyboard, Mouse and 4 Monitors

1.
4 Port KVM Switches: It allows 4 PCs sharing one USB set of keyboard & mouse, 4 monitors, and 1 USB 2.0 peripheral device. With audio & microphone output, and all input cables. Support HDMI 2.0, HDCP 2.2, HDR 10, emulation EDID.
(Tips: This KVM switch requires each of your PCs to have 4 video outputs) ^^ 2.
4K KVM Switch USB: We have been certified HDMI adopters for over 10 years. Excellent image processing and transmission capacity, make the output signal is more smooth and steady. Drive-free for Windows 10/7/2000/XP/Vista, Linux, Mac, Debian, Ubuntu, Fedora, Raspbian, Ubuntu, etc. ^^ 3. 4
Port KVM Switch 4K: Resolution compatible 4096x2160@60Hz, 3840x2160@60Hz, 3840x1620@60Hz, 3440x1440@60Hz, 3840x1080@60/120Hz, 3200x1800@60Hz, 2560x1440@60/144/165Hz, 2048x1536@60Hz, 2048x1280@60Hz, 2048x1080@60Hz, 1920x1200@60Hz, 1920x1080@60Hz, etc. Support most of keyboard & mouse, support Apple keyboard (Hot Key is changeable). ^^ 4. USB KVM Switch
HDMI 4 Port: Four
switching ways optional: Hotkey switching(NumLock + NumLock + 1 / 2 / 3 / 4 + Enter, or Ctrl + Ctrl + 1 / 2 / 3 / 4 + Enter, or ScrollLock + ScrollLock + 1 / 2 / 3 / 4 + Enter), mouse switching(click mouse wheel 2 times + left button / right button), manual button switching, wired remote push button switching.
Three display modes are optional: Extended display, duplicate display, and video-wall display. ^^ 5. KMV Switches KVM
USB HDMI Switch: Support touch screen, OLED screen, ultrawide screen, etc. It can be switched by mouse or keyboard independently, even without USB signal input, such as Apple TV, Android TV box, etc. And it can enter into the BIOS interface directly.