UHS-I Memory Card. The perfect choice for smartphone or Gopro enthusiasts and tablet users giving you faster app loading, smoother Full HD video recording, and advanced photo capture. Available in capacities up to 64GB, it gives you more space for your favorite mobile media.Class 10 rating and UHS Speed Class 1**UHS Speed Class 1 designates a performance option designed to support real-time video recording with UHS-I enabled host devices. for flawless video captureAvailable in capacities up to 64GB**1 gigabyte (GB)=1 billion bytes. Some capacity not available for user storage.Boosts the memory of your mobile deviceWaterproof**Water proof: Tested to withstand up to 72 hours in 1m salt or fresh water; IEC 529 IPX7; product must be clean and dry before use., x-ray proof**X-ray proof: Immune to airport X-rays, temperature proof**Temperature proof: Capable of withstanding operating temperatures from -13F to 185F (-25C to 85 C)., and shockproof**Shock and vibration proof: Capable of withstanding up to 500Gs of shock.Includes SanDisk Memory Zone App**Application download and installation required (see insert) for Android