This product is a compact and intuitive live switcher that allows you to easily switch between multiple HDMI video sources with the touch of a button and can also be used as a webcam. In addition, it supports audio mixing and can be adjusted with dedicated software. I purchased this item and tested it a few times, but I haven't had the opportunity to use it, so it's practically unused. ✅ Product Features - Manufacturer: Blackmagic Design - Model Name: ATEM Mini (Not Pro) - Accessories: Power adapter, conversion plug, stickers and other paperwork - Functions: HDMI input, USB webcam output, audio mixer, transition effects Manual: https://www.blackmagicdesign.com/welcome/jp/W-APS-14 Although updated, the content is generally accurate. Thank you for looking.