Transcend Dual Pack 16GB MicroSDHC Class10 UHS-1 Memory Card with Adapter 45 MB/s (TS16GUSDU1X2E) Supports Ultra High Speed Class 1 specification (U1); Class 10 compliant Up to 45 MB/s Smooth Full HD video recording performance Ideal upgrade for smartphones, tablets, and digital cameras Ships in Certified Frustration-Free Packaging Compatible with devices with micro SD, microSDHC and microSDXC slot