Contact -type smart card reader, with smart card slots and SIM , support alone, do not support simultaneous . Support Class A, B, and C (5V, 3V, and 1.8V) smart cards meet the ISO 7816 standard, which achieve communication with the PC environment by with USB interfaces with different operating systems. The system supports Windows (32/64bit) XP/Vista7/8/10, OS. Support hot insertion. High -quality sockets can support at least 100,000 cards. Type: Card Reader Main control chip: AU9580 Supported memory cards: smart card, SIM, ID, card Interface type: Type C Operating system requirements: windows (32/64 bit) XP/vista/7/8/10, OS Colour:black Material:ABS Size:58x22x13MM Package Contents: 1 x Card Reader Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.