For Micro SDHC (Micro Secure Digital High Capacity) or SDHC (with adapter) compliant devices only
Not compatible with standard non-MicroSDHC devices
MicroSDHC Speed Class 4 compatible (will work with Class 2 devices)
FAT32 file system (industry standard)
SD 2.00 Specification (industry standard)
Size: 15mm x 11 mm x 1 mm (industry standard)
Unformatted capacity of 4GB (1GB=1000MB)
Use will vary depending on host device.