SanDisk 32GB and 64GB Class 10 microSDHC Memory Card and SD Adapter

SanDisk Ultra microSDHC UHS-I Card Transfer Speed: Up to 80 MB/s transfer speed  SanDisk MicroSD Card Dimensions: 0.43in x 0.59in x 0.04in SD adapter Dimensions: 1.26in x 0.94in x 0.08in Operating Temperature: -13 Degrees F to 185 Degrees F Storage Temperature: -40 Degrees F to 185 Degrees F Waterproof Temperature-Proof Shockproof X-Ray Proof  Magnet Proof Memory Zone app lets you auto-manage media and memory for peak phone performance. Available for Free in Google PlayStore. Search "Memory Zone".