SanDisk 16GB 16G microSD microSDHC SD SDHC Card Class 4 C4 with SD Adapter (BULK PACK) + R10W USB Micro Card Reader / Writer High storage capacity (16GB) for storing essential digital content such as high quality photos, videos, music and more! Speed performance rating: Class 4 for optimal performance with microSDHC compatible devices The MicroSDHC memory card can be inserted into the included SD adapter and used in other SDHC enabled devices. Includes a USB Micro Card Reader / Writer for fast data transfer between your PC and device.