Ideal to increase the storage capacity of smartphones and tablets.Specifications:- Capacity: 8 GB 16 GB 32 GB 64 GB 128 GB- Compatibility: From 8GB to 32GB: Compatible with all devices supporting microSDHC and microSDXC standards.64GB: Compatible with all devices supporting microSDXC standards. SD adapter included.- Read speed: Up to 85MB/s *- Write speed: Up to 20MB/s *- Class: 10