The SanDisk SDSDAF-016G-XI is a microSD card that features 16GB of storage capacity and an SD adapter for easy usage with devices that do not natively support microSD. It offers a Class 10, UHS-I, U3 read/write performance of up to 100MB/s for Full HD video recording, rapid photo and file transfers, and better responsiveness with suitable compatible mobile devices and tablets. It is A2-rated for faster loading of apps and improved overall 1-2 day battery life on compatible Android devices. It is also waterproof, temperature-proof, shockproof, and X-ray proof.