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- 3-in-1 Online and Mobile account security, FIDO USB/NFC/OTP
- TapID Treo offers strong authentication via FIDO Universal 2nd Factor (U2F) via NFC or USB plus OATH One-Time Passwords (HOTP) via USB -- all with a simple touch of a lighted sensor button via USB port or tap to your NFC-enabled mobile phone
- No client software or drivers required, no batteries, no moving parts, convenient, small size
- TapID Treo is durable, water-resistant and virtually indestructible -- weighs only 3.2g, and its slim design fits perfectly between your house and car keys
- Compatible with Windows, Mac, Linux, Firefox, Chrome, Android with NFC
- You can purchase atat Amazon.
You can find the list of Fido U2F certified products at Fido Alliance U2F Certified.