FIDO2 U2F Security Key - U2F USB 2-Step Authentication Security : ID 3363 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Swissbit iShield FIDO2 protects access to applications and online services - Help Net Security
Amazon.com: Thetis FIDO2 Security Key Fingerprint USB A, Two Factor Authenticator, Multi-Layered Protection HOTP / U2F Compatible Windows, MacOS, Gmail, Linux for Office Business - Black : Electronics
Thetis Pro FIDO2 Security Key
Two Factor Security Keys | USB-A and NFC Security | Yubico
Token2 | 2FA solutions and products | U2F and FIDO2 Keys | TOKEN2 MFA Products and Services | programmable hardware token, FIDO2 key, U2F key, TOTP, 2FA solutions and products
BioPass FIDO® Series Biometric Security Keys | FEITIAN
Amazon.com: Thetis Pro FIDO2 Security Key, Two-Factor authentication NFC Security Key, Dual USB Ports Type A & Type C for Multi Factored Protection (HOTP) in Windows/MacOS/Linux, Gmail, Facebook, Dropbox, GitHub : Electronics