1.Capacity:128M 256M, 512MB, 1 GB,2GB,4GB,and 8GB 2.Compatible with SD card specification 3.Versatile: when combined with the adapter, it can be   used as a full-size 4.Interoperable with SD slot via SD adapter and Transflash   enabled devices 5.Dimensions: 11 x 15 x 1mm 6.Speed rating: 8.8MB/second (read), 6.5MB/second (write) 7.Operating temperature: 0 to 60C/32 to 140F 8.Storage temperature: -20 to 85C/-4 to 185F 9.Weight: 0.04lbs (1.41g) 10.Ultra-portable: extremely small footprint design