Get started with Titan Security KeysAbout Titan Security KeysUse a security key for 2-Step VerificationCharge your Titan Security KeyFix problems with Titan Security KeysRestart a Titan Security Key that's not workingStop using a security keyAdd a Titan Security Key on a Linux systemUnpair a Bluetooth Titan Security KeyTitan Security Key safety and warranty infoSafety and Warranty Guide for Google Titan Security Key (K9T and K40T)EU Declaration of Conformity (2014/53/EU) K9T, K13TUK Declaration of Conformity (K40T)EU Declaration of Conformity (YT1)UK Declaration of Conformity (K9T)Safety and Warranty Guides for Google Titan Security Key (prior versions)