This is a USB PC switch from ELECOM. It allows you to share a mouse and keyboard between two PCs. It was used only once for a specification check and has been stored since then, so it's almost new. It can also be used to switch the mouse and keyboard for a gaming PC. [Brand] ELECOM [Condition] Almost unused [Function] Share mouse and keyboard between two PCs Please refer to the manufacturer's product description below: https://www2.elecom.co.jp/cable/switcher/km-a22bbk/ Thank you. -- ELECOM KVM Switch for Keyboard and Mouse with Remote Switch Black KM-A22BBK Brand: ELECOM Remote Switch USB Switching device KMA22BBK A22BBK