Yubico YubiKey 5Ci Two factor authentication (2FA) security key for Android/PC/iPhone, dual connectors Lighting/USB C, FIDO certified

Keep your online accounts safe from hackers with the YubiKey. Trustworthy and easy-to-use, it's your key to a safer digital world. CONVENIENT & PORTABLE: Convenient to carry and use wherever you go, ensuring secure access to your accounts at all times. Simply plug in via USB-C or Lightning to authenticate. VERSATILE COMPATIBILITY: Supported by Google and Microsoft accounts, password managers and hundreds of other popular services. Supports multiple authentication protocols including FIDO2 (hardware bound passkey), OATH-TOTP, Smart card (PIV) and OpenPGP. DURABLE & RELIABLE: Resistant to tampering, water, and crushing. No batteries or network connectivity required, offering dependable authentication without any downtime. Securely manufactured in USA & Sweden. SPARE KEY: It's recommended to have 2 YubiKeys. By registering a secondary key you ensure access to your accounts even if you lose your primary key.