It allows customers to use their USB-C, NFC, or Lightning security keys for an extra layer of security when signing into a Google account or using Google’s Advanced Protection program.

Google had previously offered more limited support for security key options on iOS, like its Titan security key, which only worked over Bluetooth and had to be used in conjunction with Google’s Smart Lock app.

But Apple added broader support for physical security keys in December with the release of iOS 13.3, adding native support for FIDO2-compliant USB-C, NFC, and Lightning security keys.