HDMI 2.1 KVM Switch 4k 120Hz with USB Dual port USB 8K HDMI KVM Switch HDMI 2.1 Hub Switcher 4K 60Hz HDMI Switch KVM USB(check remarks)(4K 60Hz)

The HDmatters 2x1 HDMI KVM Switch with USB supports HDMI 2.0, HDCP 2.2, 4K@60Hz and USB HDMI KVM/Extension. The 4k HDMI KVM Switch allows control of 2-computers with one set of controls (keyboard and mouse) and a display screen. It supports 2-inputs and one output. You can centrally control and manage a host's laptop or game console without having to manually move between one workstation to another.
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1)choose the correct model
There are 2 models, one is 4K 60Hz(HDMI 2.0) and one is 4K 120Hz(HDMI 2.1). pls check features and specifications before your order.
2)Mouse&keyboard requirements:
1.Almost all kinds of KVM Swicthers has limited compatibility with wireless mouse,keybaords and mechanic keyboards and mouse.
2. ,standard 104-key wired USB keyboard, standard 2 or 3 button wired USB mouse are recommended
3)HDMI cables requirements:
All video HDMI 2.0 and above video devices has very high requirements on HDMI cable connected.
If you choose 4K 60Hz version, pls use HDMI ATC cetified Premium High Speed HDMI 2.0 and above cable.
If you choose 4K 120Hz version, pls use HDMI ATC certified Ultra high speed HDMI 2.1 cable.
4)Qualified HDMI cable constructions:
A qualified HDMI cable must be of copper conductor with all 19-pin wired and well-earthed and shielded with foling and braiding.