• Write Speeds Up To 40mbps
• Transfer Speeds Up To 90mbps
• Microsdhc (16gb & 32gb) & Microsdxc (64gb) Form Factor
• Class 10 For Recording Full Hd Video (1080p) & Uhs Class 3 For Full Hd & 4k Ultra Hd Video
• Waterproof, Temperature proof, X-ray proof & Shockproof

SanDisk Extreme microSDHC and microSDXC Cards expand available memory and
decrease downtime while large files transfer from phone to card or card to
computer. Now the UHS-class-3-rated Extreme microSD Card gives users the speed
and capacity to capture video that looks great on Full HD and 4K Ultra HD
video screens. This is the 64GB edition.