The 64GB KIOXIA EXCERIA microSD card boasts a maximum transfer speed of 100MB/s and is water and temperature resistant. Brand: KIOXIA (formerly Toshiba) - Model Name: EXCERIA - Capacity: 64GB - Type: microSDXC UHS-I - Read Speed: Up to 100MB/s - Waterproof: Yes - Shockproof: Yes Thank you for viewing.