Feature:1. Fast Read Write Speed: NFC card copier adopts USB 2.0 full speed interface, plug and play, read and write speed up to 424kbps.2. Built in Antenna: Integrated antenna for contactless tag access with stable performance and up to 50mm reading distance (depending on tag type).3. Strong Compatibility: Compatible with ISO 14443 types A and B, for FeliCa and all 4 types of NFC tags (ISO/IEC 18092). Supports Ultralight C (via dummy APDU) and Plus SL1 (4 byte UID via dummy APDU) and SL3.4. Support NFC Modes: Working frequency 13.56MHz, NFC reader supports 3 modes of card reader, card emulation and point to point.5. High Efficiency: Built in anti collision function, at least one card is detected when multiple cards are presented. Mini and lightweight, very practical.Specification:Item Type: NFC ReaderMaterial: PC, ABS, 304 stainless steelLength: Approx. 98mm/3.86inWidth: Approx. 65mm/2.56inHeight: Approx. 12.8mm/0.5inInterface: USB full speedOperating Distance: 50mm (depending on label type)Power Supply Voltage: 5V DC regulatedSupply Current: 200mA (working); 50mA (standby); 100mA (typ.)Operating Temperature: 0-50COperating Frequency: 13.56MHzOperating System Support: For Win 98, for Win 2000, for Win XP, for Win Vista, for Win 7, for Win Server 2003, for WinServer 2008, for Win XP x64, for Win Vista x64, for Win 7 x64, for Win Server 2003 x64, for Win Server 2008 x64, for Win Server 2008 R2 x64, for Windows CE 5.0, for Linux, for OS X.Package List:1 x NFC ReaderNote:This device does not support identification of bank cards, stored value cards, credit cards and ID documents