Nintendo USB AC Adapter
This is a replacement for the Nintendo USB AC Adapter that was included with each Nintendo Entertainment System™: NES Classic Edition, Super Nintendo Entertainment System™: Super NES Classic Edition.
It is also compatible with the Nintendo Switch Pro Controller, Joy-Con controllers (requires Joy-Con Charging Grip, sold separately), and Poké Ball Plus.
It is used with the Micro USB Cable to provide power to the console or accessory.
Not compatible with the Nintendo Switch or Nintendo 3DS family of systems.