COMPATIBILITY: - Can be used for CAC (Common Access Card). - For all contact smart chip card operations like online-banking or digital signature: ActivClient, AKO, OWA, DKO, JKO, NKO, BOL, GKO, Marinenet, AF Portal, Pure Edge Viewer, ApproveIt, DCO, DTS, LPS, Disa Enterprise Email. SPECIFICATION: USB: 2.0 Card types: 5V, 3V and 1.8V Smart Cards, ICC ISO/IEC 7816 Class A, B and C Certifications Standards: PIV, EMS, ISO-7816 & EMV2 2000 Level 1, CE, FCC, VCCI and compatible with Microsoft WHQL. Operating System Compatibility: Compatible with Windows 7/8/10, Mac OS 10.11.1 or later. Driver free, plug and play. cac card reader windows 10 NOTE: DOD and USG users need a third-party CAC Enabler program. Troubleshooting tips: Connect the smart card reader to the power supply. Red light on in a few seconds, and flash green and red after inserting a smart card. If no lights or defects (please contact for more support). Supports ActivClient, AKO, OWA, DKO, JKO, NKO, BOL, GKO, Marinenet, AF Portal, Pure Edge Viewer, ApproveIt, DCO, DTS, LPS, Disa Enterprise Email and etc. CAC chip cards Sleek ergonomic flat design, precise slot, convenient to horizontally plug card Compatible with Windows10/11, Mac OS 10.11.1 or later. Driver free, plug and play. New generation DOD Military CAC USB smart chip card reader, no firmware upgrade requirements