Titan Security Key

A stronger way to protect your account.
Like a second lock after your password, Titan Security Keys help prevent phishing and keep out anyone who shouldn't have access to your online accounts, including Gmail.
Backed by Titan security.
Titan Security Keys include special firmware engineered by Google to verify the key's integrity and are built on FIDO® open standards, so you can use them with many apps and services.
Works with the Advanced Protection Program.
Titan Security Keys are compatible with the Advanced Protection Program, Google's strongest security offering.