R pcurrently the smallest form factor of memory card available the microsdhc memory cards are designed especially for mobile phones this tiny memory card consumes very little power therefore preserving the battery life of your mobile phone it can also be used in gps devices mp3 players digital cameras and pdasr the list of compatible devices grows daily and verbatim microsd memory cards are compatible with all devices that have an sdhc slot when used with the sd adaptorr all cards con