How can I use a YubiKey authenticator without NFC?

Episode 1564 (1:01:32)

Cheryl from Palmdale, CA
Titan Security Key

Cheryl has a Motorola Moto G6, and she wants to use a YubiKey for password security. But her phone doesn't have NFC. What can she do? Leo says that she can get a Bluetooth authenticator key like YubiKey that works with Google's Authenticator app. The Google Titan Security Key is the one to get. It's $50. There's a USB and Bluetooth key for one price. So it'll work with her laptop too.