The wireless Magic Keyboard with Touch ID and the Magic Keyboard with Touch ID and Numeric Keypad (shown below) have built-in features that make it easy to enter emoji, switch keyboard languages, lock your Mac Studio, and perform many system functions with the touch of a key. You can also use a fingerprint to sign in and make purchases using Apple Pay.
You can use Magic Keyboard with Touch ID anywhere within range of your computer. When you need to charge the keyboard or if you need to pair it again, connect it to your Mac Studio using a USB-C Charge Cable.
To connect your Magic Keyboard with Touch ID to your Mac Studio, see Are you new to Mac?