---
product_id: 447115458
title: "Duo - The Best Protection for All of Your USB-C and USB-A Devices"
brand: "onlykey"
price: "₨2612"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/447115458-duo-the-best-protection-for-all-of-your-usb-c
store_origin: SC
region: Seychelles
---

# Waterproof & tamper-resistant PIN-secured auto data wipe Multi-protocol 2FA support Duo - The Best Protection for All of Your USB-C and USB-A Devices

**Brand:** onlykey
**Price:** ₨2612
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock ultimate peace of mind with OnlyKey Duo — your all-in-one digital fortress.

## Quick Answers

- **What is this?** Duo - The Best Protection for All of Your USB-C and USB-A Devices by onlykey
- **How much does it cost?** ₨2612 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/447115458-duo-the-best-protection-for-all-of-your-usb-c)

## 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

- • **Open Source Trust:** Verified, transparent, and community-backed security you can rely on to protect your digital life.
- • **Next-Level Privacy Control:** PIN entry directly on device ensures your credentials stay safe even if lost or stolen, with automatic data wipe after 10 failed attempts.
- • **Built for the On-the-Go Pro:** Compact, ultra-durable, and waterproof design means your security travels as hard as you do.
- • **Universal Security Powerhouse:** Supports FIDO2, U2F, Yubico OTP, TOTP & Challenge-response for seamless protection across all major platforms.
- • **Effortless Password Management:** Auto-fills usernames and passwords on Windows, Mac, Linux, and Chromebook with a simple button press—no more password fatigue.

## Overview

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.

## Description

OnlyKey Duo - The Best Protection for All of Your USB-C and USB-A Devices

## Features

- ✅ PROTECT ONLINE ACCOUNTS – A password manager, two-factor security key, and secure communication token in one, OnlyKey can keep your accounts safe even if your computer or a website is compromised. OnlyKey is open source, verified, and trustworthy.
- ✅ UNIVERSALLY SUPPORTED – Works with all websites including Twitter, Facebook, GitHub, and Google. Onlykey supports multiple methods of two-factor authentication including FIDO2 / U2F, Yubico OTP, TOTP, Challenge-response.
- ✅ PORTABLE PROTECTION – 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 entered directly on it. This means that if this device is stolen, data remains secure, after 10 failed attempts to unlock all data is securely erased.
- ✅ EASY LOG IN –No need to remember multiple passwords because by plugging OnlyKey to your computer, it automatically inputs your username and password. It works with Windows, Mac OS, Linux, or Chromebook, just press a button to login securely!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Product Details

- **Brand:** OnlyKey
- **Colour:** Black
- **Compatible devices:** Laptops
- **Form factor:** Case
- **Shell type:** Hard

## Images

![Duo - The Best Protection for All of Your USB-C and USB-A Devices - Image 1](https://m.media-amazon.com/images/I/71vEBR2cp9L.jpg)

## Frequently Bought Together

- OnlyKey Duo - The Best Protection for All of Your USB-C and USB-A Devices
- OnlyKey Silicone Case - Stealth Black
- Yubico - YubiKey 5 NFC - Two-Factor authentication (2FA) Security Key, Connect via USB-A or NFC, FIDO Certified - Protect Your Online Accounts

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**Shop now:** [https://www.desertcart.sc/products/447115458-duo-the-best-protection-for-all-of-your-usb-c](https://www.desertcart.sc/products/447115458-duo-the-best-protection-for-all-of-your-usb-c)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-02*