Lexar Professional 1066x microSDXC UHS-I Card is great for use with applications on your Android smartphone. Quickly run and store apps directly on the A2 memory card using an Android Adoptable storage enabled device4. Lexar Professional 1066x microSD Cards provide the durability you need to capture and store valuable data in a variety of elements. These cards are rigorously tested, and designed to be water, shock, vibration and X-Ray proof.