






π Unlock ultimate peace of mind with OnlyKey Duo β your all-in-one digital fortress.
OnlyKey Duo is a compact, open-source security key and password manager that supports multiple two-factor authentication protocols (FIDO2, U2F, Yubico OTP, TOTP, Challenge-response). Its rugged, waterproof, and tamper-resistant design ensures portability and durability. Featuring PIN protection with on-device entry and automatic data wipe after 10 failed attempts, it guarantees your credentials remain secure even if lost or stolen. Compatible with all major OS platforms, it auto-fills login credentials for effortless, secure access.






| Brand | OnlyKey |
| Product Dimensions | 2.54 x 0.74 x 1.47 cm; 9 g |
| Item model number | 3f6c1cda-0ade-4e67-b714-a532e0439385 |
| Colour | Black |
| Form Factor | Case |
| Are Batteries Included | No |
| Item Weight | 9 g |
| Guaranteed software updates until | unknown |
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