Which one is right for you?

Feitian BioPass FIDO2 K45+ vs. Feitian ePass FIDO A4B

Which one is better in 2025? In-depth comparison of Feitian BioPass FIDO2 K45+ and Feitian ePass FIDO A4B

Feitian BioPass FIDO2 K45+ and Feitian ePass FIDO A4B are two popular security keys with different costs, ease of use, and compatibility.

We've compared Feitian BioPass FIDO2 K45+ head-to-head with Feitian ePass FIDO A4B to help you decide which is best for your needs.