Actual speeds may vary depending upon card capacity. 1 GB = 1,000,000,000 bytes. Some capacity may not be available for actual storage. Note:The foregoing read & write speeds are based on internal tests conducted under controlled conditions. Includes full size adapter for use in cameras, laptops, and desktop computers. 10-year limited warranty. 4-Proof protection: Waterproof, Temperature proof, X-ray proof, Magnet proof. Works with cell phones, smartphones, Android tablets, tablet PCs, and more. Up to 100MB/s transfer speed with UHS-I interface. Peformance varies by capacity.