Contact -type smart card reader, with smart card slots and SIM , support alone, do not support simultaneous use. Support Class A, B, and C (5V, 3V, and 1.8V) smart cards that meet the 7816 standard, which achieve communication with the PC environment by compatible with USB interfaces compatible 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 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 cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.