Strontium Nitro 64GB MicroSDXC Class 10 UHS-I Memory Card Up to 85MB/s (SRN64GTFU1R) Up to 85MB/s Read Transfer Speed, for NITRO performance Perfect for Premium Android smartphones & tablets, GPS, HD camcorder, and many more Class 10 UHS-I, U1 performance for fast and smooth continuous shooting and 1080p full HD Video recording performance Water proof, temperature proof, magnet proof and X-ray proof Strontium Lifetime Limited Warranty