microSD memory card supports SD, SDHC, and SDXC storage type 128GB storage space offers ample room to pile up your photos, videos, apps, games, and more Read speeds of up to 200MB/s and write speeds of up to 90MB/s along with C10, U3, V30, and A2 speed class compatibility allow you to transfer high-resolution images and 4K UHD videos quickly Write-protect switch prevents accidental removal or alteration of valuable data on a storage device