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 (K9T)EU Declaration of Conformity (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)EU Declaration of Conformity (K51T and K52T)UK Declaration of Conformity (K51T and K52T)