Updated: Sep 24, 2019
Did You Know? With the announcement of iOS 13 and iPadOS 13, Apple surprised the world by adding support for mice. Mouse support is included in iOS 13 for iPhone.
You can connect just about any type of mouse to your iPhone or iPad, including:
Wireless Bluetooth mice
Wired USB mice (or even PS/2 with adapter)
Wireless mice that use an RF dongle.