The SanDisk Ultra microSDXC UHS-I Memory Card offers 256GB of storage with transfer speeds up to 100MB/s. This A1-rated card is optimized for Android devices, providing fast app performance and reliable storage for photos, videos, and other mobile content. Key features: • 256GB storage capacity • Up to 100MB/s transfer speeds • A1 app performance rating • UHS-I interface technology • Full HD video recording capability • Android-optimized • Includes SanDisk Memory Zone App support The card features Class 10 speed rating for smooth Full HD video recording and comes with an SD adapter for broader device compatibility. The SanDisk Memory Zone App helps manage files and automatically move content from your device to the memory card. Built to withstand extreme conditions, the card is temperature-proof, waterproof, shock-proof and X-ray proof. The retail package includes security features to verify product authenticity.