Features: 1) Capacity: 128MB, 256MB, 512MB, 1GB, 2GB 2) Complies with SD standards 3) Versatile: when combined with the included adapter, it can be used as a full-size SD card 4) Interoperable with SD slot via SD adapter and Trans Flash - enabled devices 5) Dimensions: 43 x 59 x 39mm (11 x 15 x 1mm) 6) Speed rating: 8.8Mbps read speed, 6.5Mbps write speed 7) Operating temperature: 0 ~ 60C/32 ~ 140F 8) Storage temperature: 20 ~ 85C/-4 ~ +185F 9) Weight: 0.04lbs (1.41g) 10) Portable, extremely small footprint design