Brand Sandisk Flash Memory Type Microsdxc Hardware Interface MicroSDXC Secure digital association speed class Class 10 128GB Sandisk Micro Ultra microSDXC memory card Designed for Android smartphones, tablets and other microSDXC compatible devices CL10 speed rating, read speed up to 100MB/sec and write speeds that should at least be able to exceed the Class 10 minimum of 10 MB/s Suitable for recording High-Speed HD Video and High-Resolution Pictures UHS-1 compatible, includes full-size SDHC/SDXC adapter Shockproof, temperature-proof, waterproof, and X-ray-proof