Features: USB full speed (12Mbps). USB PnP. Bi-color LED. Built-in antenna. NFC reader. ISO/IEC18092 (NFC) compliant. NFC tags access speed = 424kbps. Contactless smart card reader. Support FeliCa card. Support ISO 14443 Type A & B cards - for MIFARE cards (Classics, DES Fire). CCID standard. CE and FCC certificated, and RoHS compliant. User controllable buzzer. SAM socket. Note: We provide the SDK software. Application: Home banking and home shopping E-commerce Checking the balance of electronic purses Network access control Customer loyalty program Identification and authentication Ticketing Online gaming Parking and toll collection Automatic fare collection Public transportation terminals Physical access control Time attendance Vending machines Contactless public phones Logistics and supply chain management Specifications: Interface: USB Full Speed Operating distance: <= 50mm Supply voltage: Regulated 5V DC Supply current: 200mA (operating); 50mA (standby); 100mA (normal) Operating temperature: 0-50 degrees Celsius Operating frequency: 13.56MHz Standards/certifications: ISO14443 1-4, CE, FCC, RoHS compliant Operating system support: Windows 2000, 2003, XP 32, XP64, Vista 32 and Vista 6, Android 3.1 and above Card reader size: 9.8 * 6.5 * 1.3cm / 3.9 * 2.6 * 0.5in Card reader weight: 76g / 2.7oz Package size: 20.3 * 9 * 2.5cm / 8.0 * 3.5 * 1.0in Package weight: 130g / 4.6oz Package List: 1 * ACR122U NFC Contactless Smart Card Reader 5 * S50 Cards