Here is another security key for 2-factor authentication. The FEITIAN MultiPass K25 USB Security Key (FIDO2 + FIDO U2F) supports USB-A, NFC, and Bluetooth. It has a portable design and easy fits in your keychain. It supports Chrome OS, Windows, Linux, and macOS.
Thanks to this key, you can avoid your account getting taken over by hackers. It uses a 1 Lithium Ion battery. You can find out more here.