Which one is right for you?

Feitian ePass FIDO NFC K40 vs. Thetis BLE U2F

Which one is better in 2025? In-depth comparison of Feitian ePass FIDO NFC K40 and Thetis BLE U2F

Feitian ePass FIDO NFC K40 and Thetis BLE U2F are two popular security keys with different costs, ease of use, and compatibility.

We've compared Feitian ePass FIDO NFC K40 head-to-head with Thetis BLE U2F to help you decide which is best for your needs.

	Select a product	Select a product
	Feitian ePass FIDO NFC K40 ₹3,499 Save ₹500	Thetis BLE U2F ₹3,999 Save ₹500
Interfaces	NFC USB-C	Bluetooth NFC USB-A
Features	Fido U2F Fido2 OATH HOTP OATH TOTP	Fido U2F
Compatible With	Android Linux Windows macOS	Android Linux Windows iOS macOS