Features: 
1) Capacities: 256MB, 512MB, 1GB, 2GB.
2) Dimensions: 0.70 x 0.94 x 0.05" (18 x 24 x 1.4mm) 
3) Weight: 0.05oz. (1.5g) 
4) Dual voltage operation: at 1.8V or 3.3V 
5) Speed: up to 8Mbps read rate, up to 7Mbps write rate 
6) Operating temperature: 32°F to 140°F (0°C to 60°C) 
7) Storage temperature: 4°F to 185°F (-20°C to 85°C) 
8) Standardized: complies with MMC System Specification Version 4.0 
9) Easy: plug-and-play