Professional Ultra SanDisk 64GB MicroSDXC Card for Nokia Lumia 1520 Smart phone is custom formatted for high speed, lossless recording! Includes Standard SD Adapter. (UHS-1 Class 10 Certified 30MB/sec) This SanDisk MicroSDXC card's specifically designed for your Nokia Lumia 1520! SanDisks removable storage solution specifically designed for mobile phones with expansion slots. Its ultra-small size consumes very little power from your handset, to give you longer battery life on your phone.