QIAOYUAN S3 Series USB Contact Smart card reader (Support Protocol:ISO 7816)+5PCS 4442 cards + SDK<div style="text-align: left;"><strong>[Product Information]</strong><ul><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"> Protocol: ISO 7816 </span></li><li><span class="a-list-item"> USB interface </span></li><li><span class="a-list-item"> Operate system : Windows 98、Me、2K、XP、2003、Vista、7(3264)、CE、Unix、Linux，Andriod </span></li><li><span class="a-list-item"> Work power : 5V DC ±10% </span></li><li><span class="a-list-item"> Chip uses 32 bit microcontroller， read and write faste </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/313rzjLABVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31bPAmhkJaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31ushSPbp-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416jh1SBK9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41HaJevlATL.jpg" noproxy>