The ADATA Premier microSDHC UHS-I Memory Card Class 10 provides read speeds up to 100MB per second for fast file transfers. With a power rating of Class 10 allow Premier microSDHC / SDHC UHS-I memory cards uninterrupted, high-quality recording of Full HD video on smartphones and tablets. They also meet the A1 standard for rapid and smooth execution of apps. Thanks V10 (video speed class) qualification can be up to 10 MB per second record.