Sunelec 32GB Micro SD SDHC TF Memory Card Secure Digital Card Class 10 Pack Of 1 Transfer rate: CLASS 10, Writing speed: 10MByte/s, Reading speed: 20MByte/s,convenient and reliable. Water proof, Temperature Proof, X-Ray proof, Shock proof Use in high-end compatible digital devices including Cameras, MP3s, Smartphones and Tablet PCs.