K9B

K9B – Buy Feitian K9B USB-A Security Key

About Feitian ePass FIDO NFC (K9B)

Feitian K9B ePass FIDO NFC adapts itself to your requirements. No matter metallic, extremely compact, water proof, touch button or even customized casing with your design. FEITIAN is able to provide various casings for ePass FIDO® Security Key to fit the different requirements from customers.

K9B Features:

• FIDO U2F & FIDO2 certified security key
• Identified as a standard HID device
• Interface: NFC, USB
• Smart card secure element and JavaCard operating system
• Protect online accounts against unauthorized access by using 2FA, U2F, FIDO2
• OTP (HOTP/TOTP)
• Prevent phishing and Man-In-Middle attack
• OTP (HOTP), GIDS also supported
• Single authenticator could be used for multiple applications
• Works with the latest Google Chrome or any other FIDO-compliant application on Windows, Mac OS or Linux (such as Gmail, Facebook, Dropbox, and many other services)
• Works with: Windows Log-In, Twitter, Google Accounts, Microsoft Accounts, Facebook, Salesforce, Zoho, Dropbox, DUO Security, Microsoft Azure Entra ID, Microsoft Active Directory, Coinbase, Bank of America, Okta, Ping Identity, eBay and many more websites, applications, computers, laptops and devices that accept USB Security Keys.
• Durable and compact design

OTP Specification

Model number	ePass FIDD-NFC
Product Name	ePass FIDO NFC – K9
Supported Operating Systems	Chrome OS, Windows, Linux, macOS, Android 5+
Certifications	FIDO® U2F L2 Certified, FIDO2® L1 Certified
Functions	FIDO2&U2F & OTP (HOTP)
Embedded security algorithm	ECDSA, SHA256, AES, HMAC, ECDH
Interface type	USB-A, NFC
Data storage life	At least 10 years
Programming cycles	100,000 times
Communication protocol	CTAP2, HID, ISO 14443
Working voltage	5.0V
Rating current	22mA
Power	0.11W
Working temperature	-10ºC ~ 60ºC
Storage temperature	-20ºC ~ 75ºC
Button & Light	Touch type, Green LED light

Highlights

• Compare with other security keys
• Supports USB-A & NFC
• Supports NFC
• FIDO U2F certified security key
• Infinity key pair storage

Works with

• Fido U2F

Compatible with

• Android
• Windows
• macOS
• Linux

Connect with

• USB-A
• NFC

ePass K9B USB A NFC – Two Factor Authenticator (2FA)

FEITIAN – ePass K9B USB A NFC – Two Factor Authenticator (2FA) – Multi-Factor Authentication (MFA) – Device Security Key-FIDO

• Secure two-factor authentication with FIDO standards The FEITIAN ePass K9B USB A NFC delivers reliable 2FA and MFA security using FIDO-compliant protocols, ensuring strong protection against unauthorized access to online accounts.
• Universal compatibility with USB A and NFC Equipped with both USB A and NFC interfaces, this device supports a wide range of platforms and services, offering flexible authentication options across different devices and systems.
• Compact and lightweight for portability Measuring 15 x 13 x 10 cm and weighing only 0.150 kg, the device is easy to carry and store, making it ideal for users who need secure access on the go.
• Single unit per pack for straightforward use Sold as 1 piece per pack, this authenticator is designed for direct use without extra components, perfect for individual users seeking a simple and reliable security solution.
• Safety compliance, the ePass K9B is produced with no high-concerned chemicals, ensuring a safe and environmentally responsible product.

Key Features:

• Model: K9
• Dual interface: Both USB-A and NFC communication
• One device supports multiple services: Interoperates out-of-the-box with hundreds of services that support FIDO U2F and FIDO2
• Supports Passwordless authentication on Azure Active Directory and Microsoft Services
• Compliant with GSuite and the Google Advanced Protection
• Site Specific Keys: Secrets are not shared among service providers. No phishing or man-in-the-middle
• Supported OS: Android, Chrome OS, Windows, MacOS, Linux
• Plug and Play: Identified as a USB HID device
• Maximum Residential Credentials: 22
• Slots: 2
• OATH-HOTP, OATH-TOTP
• Static Password
• Challenge Response
• IP67 Water Resistance Rating
• FIDO: AES, ECDSA, SHA256
• Fits nicely on a key-chain or in a wallet
• Dimensions: 44 x 21 x 3 mm 
• Weight: 2.8 grams

Product Description

The Feitian K9B ePass FIDO – is a reliable and durable hardware authenticator designed to enhance your digital security. Built with FIDO authentication standards, it protects your accounts against phishing, account takeovers, and other online threats. Its injection-molded body, crafted from ABS and calcium carbonate, ensures exceptional durability and long-lasting performance.

This compact security key supports FIDO2, UAF, and U2F protocols, making it compatible with a wide range of platforms such as Microsoft, Google, Dropbox, and more. Equipped with NFC technology, it provides a seamless and contactless login experience for compatible devices.

Key Features:

• Durable Construction: Made with ABS and calcium carbonate for high solidity.
• Advanced Security: Protects against phishing and other online threats.
• Wide Compatibility: Works with smartphones, tablets, desktops, and major platforms.
• NFC Technology: Offers quick and convenient contactless authentication.
• Portable Design: Compact and lightweight for easy carrying on keychains.

Upgrade your online security with the Feitian K9 ePass FIDO – NFC—a trusted, future-proof solution for personal and professional use.

USB-A Security Keys – K9B USB-A NFC Security Key

USB-A Security Keys – K9B USB-A NFC Security Key

The K9B USB-A NFC Security Key is a high-security authentication device designed to protect your online accounts, business applications, and enterprise systems from phishing, password theft, and unauthorized access. Built for modern multi-factor authentication (MFA), this USB-A Security Key is FIDO2 and FIDO U2F certified, delivering fast, passwordless, and phishing-resistant login across a wide range of supported platforms.

Ideal for businesses, government organizations, financial institutions, healthcare providers, educational institutions, and individual users, the K9B offers a simple yet highly secure way to strengthen account protection without compromising user convenience.

Unlike traditional OTP tokens or SMS-based verification, USB-A Security Keys provide hardware-based authentication that is significantly more secure against phishing attacks and credential theft. A single security key can secure unlimited user accounts across multiple websites, cloud services, and enterprise applications that support FIDO authentication.

Powered by advanced public key cryptography, every registered website or application receives its own unique key pair. This architecture protects user privacy while ensuring secure authentication without exposing sensitive credentials.

For organizations that still rely on legacy authentication systems, the K9B also supports OATH-compliant HOTP (Event-Based One-Time Password), making it an excellent choice for hybrid IT environments requiring both modern FIDO authentication and traditional OTP-based MFA.

The device incorporates a high-performance NXP secure element, which securely generates and stores cryptographic key pairs while safeguarding sensitive authentication data against physical and digital attacks. Combined with NFC functionality, users can authenticate quickly using compatible smartphones, tablets, laptops, and desktop computers.

Benefits

• FIDO2 and FIDO U2F Certified Authentication
• USB-A and NFC Dual Interface
• Phishing-Resistant Multi-Factor Authentication (MFA)
• Passwordless Login Support
• OATH HOTP Support for Legacy Systems
• High-Security NXP Secure Element
• Individual Cryptographic Key Pair for Every Service
• Supports Unlimited Online Accounts
• Fast, Secure, and Easy User Authentication
• Compatible with Windows, macOS, Linux, Android, and supported web services

Whether you are securing Microsoft 365, Google Workspace, enterprise VPNs, cloud applications, developer platforms, or corporate networks, the K9B USB-A NFC Security Key provides trusted hardware-based authentication that significantly improves account security while simplifying user login.

For volume purchases and enterprise deployments, contact our sales team to discuss bulk pricing for USB-A Security Keys.

ePass K9 Security Key – FIDO U2F + FIDO2 Certified, USB-A with NFC, 0 MB Memory, Help Prevent Account Takeovers

About this item

• Supports desktops and laptops via USB-A, and supports Android Phones via NFC, Helps protect your accounts from phishing and other cyber-attacks
• Feitian ePass K9 is a FIDO alliance certified U2F security key. It is now also FIDO2 certified with a NFC module into its key-like compact body.
• FIDO2 + FIDO U2F certified security key
• Secured by NXP semiconductors
• Works in every browser without installing any drivers
• Imported & Original: Security keys – Feitian

FEITIAN ePass FIDO2 K9B Features

Secure, Durable, and Trusted – K9B ePass FIDO – NFC

The K9 ePass FIDO – NFC is your ultimate solution for safeguarding online accounts with advanced, passwordless security. Designed with FIDO authentication standards, this key protects against phishing, account takeovers, and cyber threats, providing unparalleled peace of mind for personal and enterprise use.

Engineered for Durability with Advanced Materials

Crafted with precision, the K9 ePass FIDO – NFC is built using the injection molding technique that shapes its body for durability and resilience. Its construction combines ABS (Acrylonitrile Butadiene Styrene) and calcium carbonate, delivering exceptional solidity and resistance to daily wear and tear. Whether on your keychain or in your pocket, this key is made to last.

Effortless Compatibility and NFC Convenience

The K9 ePass FIDO – NFC supports modern security protocols (FIDO2, UAF, U2F) and works seamlessly with:

✔ Smartphones, Tablets, Laptops, and Desktops

✔ Platforms like Google, Microsoft, Dropbox, and more

With NFC (Near Field Communication) technology, enjoy a hassle-free, contactless login experience on compatible devices.

Compact, Portable, and User-Friendly Design

• Lightweight and Compact: Easily attaches to your keychain for portability.
• Plug-and-Play Setup: No additional drivers or software needed.
• Certified Security: Meets FIDO standards for trusted and reliable authentication.

The K9 ePass FIDO – NFC combines advanced security with everyday convenience.