With non-volatile solid-state memory Data does not lose when power is turned off Low battery consumption Three PC card interfaces Memory: 128 to 512MB and 1 to 16GB Interface: conform to CFA specification Number of pins: 50 Combines with compact flash adapter (optional) to act as an ATA flash card Device requirements includes digital camera, PDA, mobile phone, MP3, MP4, GPS, advertisement player, handheld PC (HPC), pocket PC (PPC), smart phone and IA Operating voltage: 3.3 to 5V Dimensions: 42.8 x 36.4 x 3.3mm