Review on High-Performance 4-Port USB3.0 HDMI KVM Switch with CEC, SPDIF 5.1 Extractor, and USB Peripheral Hub - Ideal for Keyboard, Wireless Mouse, Printer, Scanner, Windows, 4K 60Hz HDR HDMI Auto Switch 4x1 with IR Remote, IR Extender, and Mic Input by Michael Hughes

When a mouse is plugged into a dedicated mouse port, the vertical movement of the mouse is really limited - best described as movement across the physical surface == vertical movement across the screen. Horizontal Movement - Move a few inches across the entire screen. Almost useless. When the mouse is plugged into regular USB ports everything is fine, but that means I can't use the switch. Same problem with or without a wired mouse. The keyboard is also buggy: the keys "stick" and repeat frequently with my Logitech wireless keyboard. The physical keyboard seems ok, but then again. doesn't work with my normal gear. Port Switching: You need to switch the port twice to connect the USB. Never does the first time. Overall very buggy and weird. Great form factor, just wish it actually worked as advertised.