?We Promise?If you have any dissatisfaction with product. You just need to contact us freely on ,we will reply to you within 24 hours. Hoping you have a pleasant online shopping experiences. ?Foldable and Portable?You can take it anywhere you go and use it whenever you need. Foldable and portable design make it space-saving and good partner for you. ?Strong Security?Great for use in high-security federal government applications, online banking and credit card payment apps, Windows authentication and Single Sign-On (SSO), Network login, and much more. Securely transmit your information. ?System Compatibility?The chip card reader can be used with almost all contact chip cards and PC operating systems,multi-system compatibility to facilitate different computer switching such as Windows XP /98 / Me / 2000 / NT 4.0 / CE / Vista / 7/8 / 8.1 / 10, Linux, Mac OS 10.6 -10.10, Android. ?Card Compatibility?This USB C DOD Military CAC Smart Card Reader is for Government ID, National ID, ActivClient, AKO, OWA, DKO, JKO, NKO, BOL, GKO, Marinenet, AF Portal, Pure Edge Viewer, ApproveIt, DCO, DTS, LPS, Disa Enterprise Email,etc.