Features:brand new and high qualityEasy USB 2.0 plug and play installation.Support hot swap CR318 is a touch type smart card reader with smart card slot and SIM card holder. It can be used separately, but not simultaneously. Support single, not support simultaneous use. High-quality socket can support at least 100,000 card insertions. It supports class A, class B and class C (5V, 3V and 1.8V) smart cards conforming to ISO 7816 standard. It communicates with PC environment through USB interface compatible with different operating systems. System Support: Windows(3264bit)XPVista7810,MacOSPackage Includes:1 x Card Reader1 x Connect CableSpecifications:Brand:Rocketek Model:CR318Standard:USB2.0 Material:ABSColor:BlackSupport memory card: CAC ID ATM SIM ICMain Control Chip: AU9580Size: approx 5.8x2.2x1.3cm2.3x0.8x0.5inSystem Support: Windows(3264bit)XPVista7810,MacOSCard Type: for ISO 7816 Class A, AB and C 5V, 3V and 1.8V Smart Cardsnote:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you</li></ul>