ADATA AUSDX64GUI3V30SHA2-RA1. Capacity: 64 GB, Flash memory type: MicroSDXC, Flash memory class: Class 10, Internal memory type: UHS-I, Read speed: 100 MB/s, Write speed: 80 MB/s, UHS speed class: Class 3 (U3), Video speed class: V30. Safety features: Magnetic proof, Shockproof, Waterproof, X-ray proof, Product colour: Black, Red