Samsung PRO 16GB MicroSDHC with Adapter Up to 90MB/s Class 10 Memory Card - 2-Pack Up to 90MB/s read speed, 50MB/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.