FIDO U2F Security Key ($17.99) offers strong authentication with a simple touch of a button. Works instantly with no need to re-type pass codes — replacing SMS texts and authenticator apps. No client software or drivers need to be installed, no batteries, no moving parts.
Crush and water-resistant, FIDO U2F Security Key is practically indestructible during normal use, weighs only 3g, and attaches to your keychain alongside your house and car keys. Manufactured in USA and Sweden with high security and quality.