1) Capacities: 256MB-2GB 2) Dimensions: 70 x .94 x .05' (18 x 24 x 1.4mm) 3) Weight: 4) Dual voltage operation: at 1.8V or 3.3V 5) Operating temperature: 32?F to 140?F (0 to 60癈) 6) Storage temperature: 4?F to 185?F (-20 to 85癈) 7) Standardized: complies with MMC system specification version 4.0 8) Easy: plug-and-play