Kingston 16gb Class 4 microSDHC card Kingston\u2019s Class 4 microSDHC card is ideal for reliable photo and video storage, for your phone,tablet or other digital device, wherever you go. It\u2019s the ideal way to increase storage on mobile phones, smartphones, tablets and other devices. \tSpeed Class 4: 4MB\/sec. minimum data transfer rate \tCapacity - 16GB \tVersatile \u2014 when combined with the adapter, can be used as a full-size SDHC card \tCompliant \u2013 with the SD Card Association specification \tSDHC File Format \u2013 FAT32 Kingston is the world\u2019s leading independent memory manufacturer. Waterproof The card is waterproof*, so you can feel secure, even when you use it for action shots on the lake or ocean. *IEC\/EN 60529 IPX7 certified for protection against continual water submersion up to 30 minutes and depth up to 1 meter. Shock and vibration proof** Your photos, videos and other files are protected against bumps, drops and vibrations. **Based on MIL-STD-883H, METHOD 2002.5 military standard test method. X-ray proof*** Travelling with your microSDHC card is a breeze, since you don\u2019t have to worry about X-rays destroying your files. ***ISO 7816-1 certified for protection against 0.1 Gy of X-ray radiation to both sides of card.