DESIGN FOR WINDOWS 10 HELLO: ATKey.Hello key dongle enables passwordless sign-in with local Windows Hello support, giving secure & easy way to unlock Windows device and login to websites on Microsoft Edge browser(NOTE: This product is not compatible with WINDOWS 11). | FIDO U2F CERTIFIED: ATKey.Hello supports FIDO's two step authentication via Edge browser base on Windows Hello directly, offering a strong protection to your online account. | SMART LEARNING: With the help of built-in algorithms, ATKey.Hello gets authentication done faster and more accurately over time by learning the pattern of your fingerprint. No more complex password. | FAST & ACCURATE: Implemented as one of the most precise and accurate fingerprint recognition algorithms, this Hello dongle has false rejection rate of less than 2% & false acceptance rate of less than 0.002%. | LED STATUS INDICATOR: The smart LED indicator shows blue, red, and green light to indicate different registry statuses. Get informed instantly when an authentication succeeded or failed(NOTE: Please download our User Guide for additional setting information).