The official website description and box contents for the USA model of the Magic Mouse (USB-C) are as follows:
Product Overview
Magic Mouse is wireless and rechargeable, with an optimized foot design that lets it glide smoothly across your desk. The Multi-Touch surface allows you to perform simple gestures such as swiping between web pages and scrolling through documents. The rechargeable battery will power your Magic Mouse for about a month or more between charges. It’s ready to go right out of the box and pairs automatically with your Mac. It features a USB-C port and includes a woven USB-C Charge Cable that lets you pair and charge by connecting to a USB-C port on your Mac, so you can charge all of your favorite devices with just a single cable.
