Samsung 32GB PRO Class 10 Micro SDHC Read Speed up to 90MB/s Write Speed up to 80MB/s with Adapter (MB-MG32DA/BBY) Up to 90MB/s read speed, 80MB/s write speed Great for Action Cams, Smartphones, Android Tablets, Tablet PCs. Optimal for high definition video content such as movies, HD videos, action cam video recording, 3D videos, aps and more. Water proof, Temperature Proof, X-Ray proof, Magnetic proof Compatible with devices with micro SDHC and micro SDxC slots.