Keyboard mouse switch

Dual StarTech.com 2 Port USB Keyboard Mouse Switch Cable w/ File Transfer for PC

StarTech.com 2 Port Triple Monitor DisplayPort KVM Switch, 4K 60Hz UHD HDR, Desktop 4K DP 1.2 KVM with 2 Port USB 3.0 Hub (5Gbps) & 4x USB 2.0 HID Ports, Audio, Hotkey Switching, TAA - Keyboard/Video/Mouse Switch - KVM / audio-switch - 2 porte - TAA-kompa

StarTech.com 4-Port KM Switch with Mouse Roaming, USB Switch for Keyboard/Mouse, 3.5mm and USB Audio, Peripheral Sharing for 4 Computers, USB 3.0 Switcher, TAA Compliant - Hotkey/Pushbutton Switching (P4A20132-KM-SWITCH) - switch for tastatur/mus - 2 port