Sandisk 16GB Micro SDHC Class 4 TF Memory Card for Samsung Galaxy S4, Galaxy S4 Active, Galaxy S4 Mini & Galaxy S4 Zoom with Everything But Stromboli Micro SD Orange Card Reader - Bulk Packed
This 16GB Class 4 MicroSDHC Memory card has a guaranteed to maintain read write speed of at least 4mb/s, twice as fast as a class 2 card.  Comes with bonus MicroSDHC to USB Memory card reader for transferring all of your file from the card to your computer.