Samsung MB-MSAGA/US 16 GB Class 6 microSDHC Flash Memory Card - Retail Packaging Up to 24 MB/s read speed and 13 MB/s write speed Class 6 Speed for Full-HD compliant storage From the world's #1 memory manufacturer since 1992 Water Proof - Can survive in sea water over 24 hours Shock Proof - can withstand being run over by a 1.6 ton vehicle Magnet Proof - Can withstand a 10K magnetic force equal to an MRI Unmatched quality of Samsung genuine memory and a 5 year warranty