Amazon.com: Sandisk 16GB 16G Micro SDHC Class 4 TF Memory Card with Micro SD Card Reader - Bulk Pack

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

www.amazon.com