10 Pack - SanDisk 16GB Class 4 microSDHC Memory Flash card microsd High storage capacity (16GB) for storing essential digital content such as high quality photos, videos, music and more Optimal speed and performance for microSDHC compatible devices Speed performance rating: Class 4 (based on SD 2.00 Specification) Not all devices support microSDHC 16GB cards. Please contact your device manufacturer for details. Look for the microSDHC logo on the product 10 Pack