For professionals Shoot like a pro with your smartphone, tablet or camera. With transfer speeds of up to 100MB/s the SanDisk Extreme PRO microSDHC cards make sure you get professional results every time, whatever the conditions. Loads apps faster with A1 Rated A1, the SanDisk Extreme PRO microSDHC cards are optimised for apps, delivering faster app launch and performance, and providing better smartphone experience. Superfast write speeds Write speeds of up to 90MB/s mean you can capture multiple frames per second, and your most daring adventures in Full HD and stunning 4K Ultra HD video. Built to resist the toughest conditions Durability-tested to protect your memories from life’s mishaps -waterproof, shock-proof, x-ray proof, temperature proof. Wherever you take your device, your card is designed to resist the toughest conditions. Compatible with SD card slots This card comes with a convenient SD card adapter, so you can also capture and access data on the card with any device that has an SD slot. You\'ll be able to use your memory card with SD enabled cameras, camcorders, tablets, and laptops. Easily manage your memory The SanDisk Memory Zone app simplifies managing your smartphone memory and your media files – making it easy to access and back-up all your photos, videos and precious files. Making it easy to access, and backup all of your photos, videos and precious files. Specification Transfer Speed: 100 MB/s Albums (12 3.5-min MP3 songs): 24 Albums Photos (13.75 Megapixel JPEG/AVG. File size 3.5MB): 240 Photos 4K Ultra HD Video (3840x2160) in minutes: 100 mins 4K Ultra HD Video MicroSD card Dimensions: 14.99 x 10.92 x 1.02mm SD Adapter Dimensions: 31.75 x 23.88 x 2.03mm Operating Temperature: -25 to 85 degrees Celsius Storage Temperature: -40 to 85 degrees Celsius