Key Features 64GB Storage Capacity UHS-I / A1 / Class 10 Max Read Speed: 120 MB/s Min Write Speed: 10 MB/s Records Full HD Video and Still Photos Water / Shock / Magnet / X-Ray Proof Temperature Proof SanDisk Memory Zone via Free Download Specifications: Quantity: 1 Card Type: micro SDXC Storage Capacity: 64GB Bus Type: UHS-I Speed Class: 10 Application Performance Class: A1 Read Speed: Maximum: 120 MB/s Write Speed: Minimum: 10 MB/s Durability: Magnet-Proof, Shockproof, Temperature Extremes, Waterproof, X-Ray Proof