64GB Micro SD Card, BOSEK (2Pack) Memory Card Micro SD Card Class 10 64GB TF Card 90MB/sec+ Adapter or premium Android based smartphones Ideal for premium Android based smartphones and tablets Micro SD Card Class 10 64GB TF Card 90MB/sec + Adapter Class 10 for Full HD video recording and playback Memory Zone app lets you auto-manage media and memory for peak phone performance Ten-year limited warranty