Keyboard mouse switch

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

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

Tripp Lite 10ft USB / PS2 Cable Kit for KVM Switch B020-U08 / U16 10' - keyboard / video / mouse / USB cable - 3 m