Product The rocketek cr331 - C is a high performance smart card reader for desktop computers, laptops and mobile devices. rocketek's CAC smart card reader is an easy to install USB device for all contact smart card operations such as online banking or digital signature applications. Card compatible - support banks, post offices, smart card issuance all over the country. - can be used with CAC (Universal Access Card), Government ID, national id - for all contact smart card operations for e-banking or digital signature applications: activclient, Ako, owa, dko, jko, nko, bol, gko, marinenet, AF Portal, pure Edge Viewer, approveit, dco, DTS, LPS, Disa Enterprise mailbox, etc. - compatible with all kinds of smart card operations for digital authentication and security, network ATM transfers, payments, balance inquiries, taxes, water bills, electricity payments, credit card payments, credit card payments. Specifications: - card type: 5V, 3V and 1.8v smart card, class a ISO 7816, class AB and c - certification standards: ISO - 7816 and emv2 2000 level 1, ce, FCC, VCCI, ccid, Microsoft whql. - operating system: Windows 10, 8, 7 (32 / 64 bit), Windows XP, Vista (32 / 64 bit), Windows Server 2003 / 2008 (32 / 64 bit) Attention: Our card readers only work like bridges. (rocketek provide reader driver and sim card changeable software, however we can't provide smart card drivers and changeable software such as bank card/ID card. Because it depends on the ingredients or your country's and bank's rules.If you need to read them, you need to ask the smart card provider how to download, install and use them.1, ID card can't be read, reason: ID card driver or editable software is not installed and therefore cannot be read 2, bank card cannot be read Cause: bank card driver or editable software is not installed is not installed and therefore cannot be read, so customers should understand the use of smart cards.