This is a genuine AC adapter for the Nintendo Switch and Nintendo Switch Lite. AC ADAPTER Model HAC-002(JPN) This AC adapter is used by connecting it to the Nintendo Switch console or the Nintendo Switch dock. It's convenient for charging in places where you don't usually have an AC adapter set up, such as a bedroom or when you're on the go. It has been tested and confirmed to work, but it is a used item, so please refrain from purchasing if you are concerned about its condition. Thank you!