Transfer Rate: 52x - 7.85 MB/sec read rate (same using with adapter)
Speed: 37x - 5.5 MB/sec write rate (same using with adapter)
Warranty: 5 years warranty
Size:?.84" x.78" x.05" (21.5 mm x 20.0 mm x 1.4 mm)
Capacity: 4GB

P.S. Mini SDHC and RS-MMC are similar sizes but are not compatible

Packaging:
Comes with FREE protective plastic case - Holds adaptor and card

Non-Volatile - Data maintained with no power
Can be used in SDHC compatible devices with the use of the adapter.

Notice: Not all devices support SDHC cards. Please check before buy.