Kingston Micro SD Memory Card SDHC SDXC TF Class 10 A1 64GB 128GB 256GB UK
Capacity: 64 / 128GB / 256GB. Performance: Up to 100 MB/s read, 10MB/s Write (Class 10) / 85MB/s for 256GB. Optimised for use with Android devices (A1 Performance). Improved performance when used with an Android smartphone or tablet.