YubiKey 4
<div style="text-align: left;"><strong>[Product Information]</strong>
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<li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li>
<li><span class="a-list-item"> Two-factor authentication made easy for hundreds of services </span></li>
<li><span class="a-list-item"> Smart card (PIV)， Yubico OTP， OATH-TOTP， OATH-HOTP， FIDO U2F， OpenPGP， Challenge-Response </span></li>
<li><span class="a-list-item"> USB Type A compatible </span></li>
<li><span class="a-list-item"> Extremely durable and rigid; crush and water resistant </span></li>
<li><span class="a-list-item"> Attaches to house and car keychain </span></li>
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