Capacity: 64GB Read Speed: Up to 100MB/s Video Speed: Class 10 (C10), UHS Speed Class 1 (U1) App Performance: A1 Form Factor: microSDXC Durability: Waterproof, temperature-proof, shockproof, X-ray-proof Operating Temperature: -13°F to 185°F (-25°C to 85°C) Storage Temperature: -40°F to 185°F (-40°C to 85°C) Compatibility: Compatible with microSDHC and microSDXC supporting host devices