Strontium Nitro A1 64GB Micro SDXC Memory Card 100MB/s A1 UHS-I U3 Class 10 with High Speed Adapter for Smartphones Tablets Drones Action Cams (SRN64GTFU3A1A) Size name:64GB   Strontium Nitro A1 micro SD SDHC and SDXC memory card series, a new member to the Strontium Nitro family with up to 100MB/s transfer speed. With A1 rated performance in the UHS-I U3 Class 10 specification, not only delivering a faster App performance, it also allows full HD video recording as well as high resolution photo capturing. It is an ideal storage solution to your Android smartphone, tablet, camera, action cam, dash cam, drone, gaming console and etc. With Strontium's 4-Proof Technology, the Strontium Nitro A1 micro SD SDHC and SDXC memory card is designed to last even against water, shock, magnet and x-ray. Backed by Strontium Lifetime Warranty.