... 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, 128GB(no Limit, depends on your computer hard ... .DRAM: 256MBCertificate: CE and ROHS for materials USB Interface Fingerprint Detector Databank