---
product_id: 326149543
title: "OnlyKey FIDO2 / U2F Security Key and Hardware Password Manager | Universal Two Factor Authentication | Portable Professional Grade Encryption | PGP/SSH/Yubikey OTP | Windows/Linux/Mac OS/Android"
brand: "onlykey"
price: "£96.32"
currency: GBP
in_stock: true
category: "Only Key"
url: https://www.desertcart.co.uk/products/326149543-onlykey-fido2-u2f-security-key-and-hardware-password-manager-universal
store_origin: GB
region: United Kingdom
---

# Waterproof & tamper-proof PIN-protected auto data wipe FIDO2/U2F 2FA support OnlyKey FIDO2 / U2F Security Key and Hardware Password Manager | Universal Two Factor Authentication | Portable Professional Grade Encryption | PGP/SSH/Yubikey OTP | Windows/Linux/Mac OS/Android

**Brand:** onlykey
**Price:** £96.32
**Availability:** ✅ In Stock

## Summary

> 🔑 Unlock elite security with OnlyKey — your digital fortress in a sleek key!

## Quick Answers

- **What is this?** OnlyKey FIDO2 / U2F Security Key and Hardware Password Manager | Universal Two Factor Authentication | Portable Professional Grade Encryption | PGP/SSH/Yubikey OTP | Windows/Linux/Mac OS/Android by onlykey
- **How much does it cost?** £96.32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/326149543-onlykey-fido2-u2f-security-key-and-hardware-password-manager-universal)

## Best For

- onlykey enthusiasts

## Why This Product

- Trusted onlykey brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal 2FA Powerhouse:** Supports FIDO2, U2F, Yubico OTP, TOTP & Challenge-Response for seamless multi-platform security.
- • **Built for the On-the-Go Pro:** Durable, waterproof, and tamper-resistant design means your security travels as hard as you do.
- • **PIN-Confirmed Data Fortress:** Direct PIN entry on device ensures stolen keys self-destruct after 10 failed attempts—your data stays yours.
- • **Effortless Password Management:** Auto-fills usernames and passwords across Windows, Mac, Linux, and Chromebook with a single button press.
- • **Open-Source Trust & Flexibility:** Community-verified, open-source firmware lets you customize and stay ahead of evolving security threats.

## Overview

OnlyKey is a professional-grade hardware password manager and universal two-factor authentication key that combines FIDO2/U2F, OTP, and encryption capabilities. Its rugged, waterproof design ensures portability and tamper resistance, while direct PIN entry protects your data by erasing it after multiple failed attempts. Compatible across all major OS platforms and open-source for transparency, OnlyKey offers seamless, secure sign-ins and multi-method 2FA support for the modern security-conscious professional.

## Description

Protect Accounts Online: A hardware password manager, two-factor security key, and file encryption token in one, OnlyKey can keep your accounts secure even if your computer or website are compromised. OnlyKey is open-source, verified, and reliable. Universal Kickstand - Works with all websites including Twitter, Facebook, GitHub and Google. OnlyKey supports multiple two-factor authentication methods, including FIDO2/U2F, Yubikey OTP, TOTP, Challenge response. PORTABLE PROTECTION - The extremely durable, waterproof, and tamper resistant design allows you to take your OnlyKey with you everywhere. PIN Protected - The PIN used to unlock OnlyKey is inserted directly into it. This means that if this device is stolen, the data will remain secure, after 10 failed attempts to unlock, all data will be safely erased. EASY SIGN IN - No need to remember multiple passwords because when connecting OnlyKey to your computer, it will automatically enter your username and password. Works with Windows, Mac OS, Linux, or Chromebook, just press a button to sign in safely! OnlyKey is made in the USA of imported and US parts. Shop on desertcart with free Prime 2-day shipping in the USA

## Features

- A password manager, two-factor authentication and secure communication token all in one. OnlyKey also protects your accounts when your computer or a website is at risk.
- Universal support – works with all websites, including Twitter, Facebook and Google. OnlyKey supports multiple methods of two-factor authentication, including FIDO2 / U2F, Yubico OTP, TOTP, Challenge-Response.
- PORTABLE SECURITY - Durable, waterproof and tamper-proof design allows you to take your OnlyKey anywhere.
- PIN-CONFIRMED - The PIN used to unlock OnlyKey is entered directly. This means that if this device is stolen, it becomes meaningless, after 10 unsuccessful attempts to unlock all the data will be safely deleted.
- Easy to sign in – you do not need to remember multiple passwords, as by connecting OnlyKey to your computer, your username and password are automatically entered. It works with Windows, Mac OS, Linux or Chromebook, easy with one touch of a button to sign in safely!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06Y1CSRZX |
| Additional Features | Open-source, Verified, and Trustworthy; PIN Protected; Tamper-resistant Design |
| Best Sellers Rank | #77,117 in Computers ( See Top 100 in Computers ) #835 in USB Flash Drives |
| Brand | OnlyKey |
| Color | White |
| Compatible Devices | Windows, Mac OS, Linux, Chromebook |
| Connectivity Technology | USB |
| Customer Reviews | 4.2 4.2 out of 5 stars (557) |
| Flash Memory Type | USB flash drive |
| Hardware Connectivity Technology | USB Type A |
| Hardware Interface | USB |
| Item Weight | 0.6 Ounces |
| Manufacturer | OnlyKey |
| Mfr Part Number | CPT-OKY-002 |
| Model Name | OnlyKey |
| Model Number | CPT-OKY-002 |
| UPC | 633832116009 |
| Unit Count | 1.0 Count |
| Write Speed | 80 |

## Product Details

- **Brand:** OnlyKey
- **Connectivity technology:** USB
- **Hardware interface:** USB
- **Special features:** Open-source, Verified, and Trustworthy; PIN Protected; Tamper-resistant Design
- **Writing speed:** 80

## Images

![OnlyKey FIDO2 / U2F Security Key and Hardware Password Manager | Universal Two Factor Authentication | Portable Professional Grade Encryption | PGP/SSH/Yubikey OTP | Windows/Linux/Mac OS/Android - Image 1](https://m.media-amazon.com/images/I/71LM-e6cEwL.jpg)

## Frequently Bought Together

- OnlyKey FIDO2 / U2F Security Key and Hardware Password Manager | Universal Two Factor Authentication | Portable Professional Grade Encryption | PGP/SSH/Yubikey OTP | Windows/Linux/Mac OS/Android
- OnlyKey Silicone Case - Stealth Black
- OnlyKey Silicone Case - Resistance Red

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**Shop now:** [https://www.desertcart.co.uk/products/326149543-onlykey-fido2-u2f-security-key-and-hardware-password-manager-universal](https://www.desertcart.co.uk/products/326149543-onlykey-fido2-u2f-security-key-and-hardware-password-manager-universal)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-26*