Which one is right for you?

Feitian BioPass FIDO2 K45 Pro vs. Feitian ePass FIDO A4B

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

Feitian BioPass FIDO2 K45 Pro 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 Pro head-to-head with Feitian ePass FIDO A4B to help you decide which is best for your needs.