SanDisk Ultra microSDHC and microSDXC memory cards are ideal for better pictures, app performance, and Full HD video. The A1 performance class cards are perfect for Android smartphones and tablets, as they load apps faster, providing a better smartphone experience. With capacities of up to 400 GB, you can capture more pictures and Full HD videos to fully enjoy life. SanDisk Ultra microSD cards are designed and tested for use in extreme conditions, being waterproof, temperature-resistant, shockproof, and x-ray proof. The microSD card also meets the Class 10 performance requirements for recording Full HD videos. With the SanDisk Memory Zone app, you can automatically manage media and storage for optimal smartphone performance. Package includes: microSDXC card, SD card adapter.