This is an ELECOM USB switcher with a hand switch. It allows you to share a mouse and keyboard between two PCs. It has only been used a few times and then stored, so it's practically new. It can be used to switch between a mouse and keyboard for a personal PC and a remote work PC. [Brand] ELECOM [Model Number] KM-A22BBK [Condition] Almost new [Function] Share a mouse and keyboard between two PCs Please refer to the manufacturer's product description: https://www2.elecom.co.jp/cable/switcher/km-a22bbk/ Thank you.