To support the higher capacity needs, MICRO SD cards are now requiring a different design. The new MICRO SD 2.0 specifications - which supports 4GB and up - is called Secure Digital High Capacity (MICRO SDHC).
This a very handy piece of kit. This micro SDHC card can be used in all your different devices including your smartphone or camera. It also comes supplied with an adapter that converts the micro SD into a standard SD.