Specifications:
1) Compliant: with the SD Card Association specification 
2) Capacities: 128MB, 256MB, 512MB, 1GB, 2GB 
3) Dimensions: 84" x 78" x 05" (21.5 x 20.0 x 1.4mm) 
4) Transfer rate: 4.5 - 7.85 MB/sec read rate: 1 - 5.5 MB/sec write rate
5) Operating temperature: 0 – 60°C / 32 – 140°F 
6) Storage temperature: 20 – 85°C / -4 – 185°F 
7) Voltage: 3.3V
8) Weight: 07ozs. (2g) 
9) Compliant: with mini SD specifications 
10) Ultra-portable: slim, small card design 
11) Versatile: when combined with the adapter, can be used as a full-size card 
12) Simple: as easy as plug and play 
13) Economical: low power consumption for better device battery life