Transcend microSDXC 300S 256GB with adapter. Capacity: 256 GB, Flash card type: MicroSDXC, Flash memory class: Class 10, Internal memory type: NAND, Read speed: 95 MB/s, Write speed: 45 MB/s, UHS Speed Class: Class 3 (U3), Video Speed Class: V30. Protection features: Shock resistant,Static proof,Temperature proof,Waterproof,X-ray proof, Product colour: Grey