Samsung 32GB High Speed microSDHC Class 10 Memory Card with Adapter. Model number: MB-MSBGA/US Up to 24 MB/s read speed and 13 MB/s write speed Class 10 Speed for the highest performance standard 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