Feitian ePass FIDO2 USB-A Security Key A4B

Feitian ePass FIDO2 USB-A Security Key A4B The FEITIAN ePass FIDO2 USB-A Security Key (A4B) is a compact hardware authentication device designed to provide strong, phishing-resistant authentication for compatible online accounts, applications and computer systems. Certified for FIDO2 and FIDO U2F, it enables passwordless and multi-factor authentication through a standard USB-A connection. The key is recognised as a standard HID device for driverless operation on compatible Windows, macOS, Linux and Chrome OS systems and also supports OATH-HOTP for compatible legacy authentication environments. Key Features FIDO2 Certified: Supports modern passwordless and strong multi-factor authentication using the FIDO2 standard. FIDO U2F Support: Provides hardware-based second-factor authentication for compatible online accounts and applications. USB-A Interface: Connects directly to computers and other compatible devices equipped with a USB Type-A port. OATH-HOTP: Supports event-based one-time password authentication for compatible applications and legacy environments. Phishing-Resistant Authentication: FIDO authentication helps protect accounts against phishing and man-in-the-middle attacks. Secure Element: Incorporates dedicated security hardware for authentication operations. Driverless Operation: Recognised as a standard HID device and requires no dedicated driver on supported platforms. Touch Activation: Integrated touch button provides physical user-presence confirmation during authentication. Multi-Platform Support: Compatible with supported Windows, macOS, Linux and Chrome OS environments. Broad Service Compatibility: Works with compatible FIDO-enabled websites, applications and identity platforms. IP67 Water Resistance: Durable construction is rated IP67 for protection against dust and water ingress. Compact Design: Measures only 44 × 21 × 3mm and weighs approximately 2.7g. Keychain Friendly: Compact form factor makes the security key convenient to carry alongside everyday keys. Authentication & Security Specification Details FIDO2 Supported / Certified FIDO U2F Supported / Certified OATH-HOTP Supported User Presence Touch Activation Communication Protocol HID Security Algorithms AES, ECDSA, SHA-256, SHA-1 FIDO Cryptography ECDSA with SHA-256 on P-256 Residential Credentials Up to 128 Data Retention More Than 10 Years Connectivity & Compatibility Specification Details Interface USB Type-A Device Class Standard HID Device Driver Required No Windows Supported macOS Supported Linux Supported Chrome OS Supported Compatible Applications FIDO2 / FIDO U2F Compatible Services and Applications Technical Specifications Specification Details Brand FEITIAN Product Family ePass FIDO Product Name ePass FIDO2 USB-A Security Key Model A4B Product Type Hardware Security Key Interface USB-A Authentication Standards FIDO2, FIDO U2F, OATH-HOTP FIDO2 Certified Yes FIDO U2F Certified Yes Activation Touch Button Indicator Green LED Communication USB HID Operating Voltage 5V DC Rated Current 35mA Power Consumption 0.17W IP Rating IP67 Dimensions 44 × 21 × 3mm Weight 2.7g Operating Temperature -10°C to 60°C Storage Temperature -20°C to 75°C Warranty 1 Year What's Included: 1 × FEITIAN ePass FIDO2 USB-A Security Key (A4B) Please Note: The A4B is specifically the USB-A version of the FEITIAN ePass FIDO Security Key. FEITIAN's current store page also lists the K39 under the same product family, but the K39 uses USB-C. Authentication features depend on support from the operating system, browser, application or online service being used. This A4B model does not provide NFC connectivity. The FEITIAN ePass FIDO2 USB-A Security Key (A4B) provides compact hardware-based authentication with FIDO2, FIDO U2F and OATH-HOTP support, helping organisations and individual users strengthen account security while retaining simple driverless USB-A operation across major desktop platforms.