1.USB Plug and Play.2.0-8cm Reading Distance.3.Win8/7/XP/Android Supported.4.S50/S70 NFC, ISO14443 Standard Card EM4100,TK4100 Card Support(ID Type)5.Widely used at apartment, office, supermarket and other .About Use:1. Connect with computer through USB interface directly.2. Open notepad or a word document.3. Put card on the top of the reader.4. The document will output card number automatically.Model: R60C/DFrequency: 125kz Rate: 9600Reading time: Less than 0.5sPower Supply: 5V DCConsume Current: 70mASupporting System: Windows8/7/XP/98/2000//ME/NT/LIUNX/Vista, AndroidSize:75*21*7mmMaterial:plasticColour:whitePackage Contents:1 * USB Card ReaderOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.