Samsung micro SDXC UHS-1 Card PRO 64GB Class 10 for Galaxy Note 2 II

Fastest Micro SD Card with UHS-1 (In device that does not support UHS-1, speed may be slow) -Read Speed: Up to 70MB/s -Write Speed: Up to 20MB/s "4-Proof" Protection -Water Proof -Magnet Proof -Temperature Proof -X-ray Proof Specifications: Compatibility: SD 3.0, SD 2.0 Product type: Micro SD Family line: PRO Memory capacity: 16GB Operating Voltage: 2.7 ~ 3.6V Speed Class: Class 10 Read speed: Max 70MB/s Write speed: Max 20MB/s (Device with UHS-1 support Max Speed) Certifications: CE, FCC Dimension: 15 * 11 * 1mm Weight: Approx 0.5g This is for Galaxy S3. Galaxy S3 support UHS-1