Use a Bluetooth mouse or trackpad with your iPad - Apple Support

Setup basics - Apple Support

Move, resize, and organize windows with Stage Manager on iPad - Apple Support

Apple's New iPadOS Software Includes Mouse Support as an Accessibility Option - MacRumors

Send email in Mail on iPad - Apple Support

I've started using a mouse with my iPad Pro and it's an absolute game-changer

Use Siri on iPad - Apple Support

Apple's Magic Keyboard for iPad Pro: Everything You Need to Know - MacRumors

Magic Trackpad - Black Multi-Touch Surface - Apple

Apple unveils new iPad Pro with LiDAR Scanner and trackpad support in iPadOS - Apple

Magic Trackpad vs Magic Mouse : r/mac

Description Magic Mouse is wireless and rechargeable, with an optimised 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.

Apple - Magic Mouse

Apple details how to connect and use a Bluetooth mouse or trackpad with an iPad