... interface: USB Cable 1.1 or 2.0 Storage density: 500MB, 1, 2, 32 GB more. Sensor: capacitive - type fingerprint swipe sensorUser interface: USB Cable 1.1 ... or 2.0Storage density: 500MB, 1, 2, 32, 64, 96, ... Requirements:1.OS: Windows Vista / XP / 20002.DRAM: 256MBCertificate: CE and ROHS for materials USB Interface Fingerprint ...