EXTREME SPEEDS FOR FAST TRANSFER. APP PERFORMANCE. AND 4K UHDCapture more fast action and record more Full HD or 4K UHD video2 with your Android based smartphone. interchangeable-lens camera. drone or GoPro® action camera. The SanDisk Extreme microSD UHS-I Cards are built tough for extreme durability under challenging environmental conditions4. Extreme speeds let you capture every detail of adventure and take the wait out of transferring your videos between devices. Storage capacities from 16GB to 128GB1 expand your device's memory and let you record 4K UHD video2.THE SPEED YOU NEEDThe best stuff happens fast. With extreme write speeds up to 60MB/s5. SanDisk memory cards give you the speed you need to capture every detail. Fast write speeds reduce the time you're on hold while you move pictures and videos to your card. so you're always ready to catch the next great shot. and enjoy smooth video playback.SHOOT 4K ULTRA HD VIDEO TODAYPro video performance with both Class 10 and UHS Speed Class 3 (U3)4 ratings lets you capture 4K Ultra HD and Full HD video1. Your videos will meet today's highest resolution standards and will look stunning on the latest 4K Ultra HD TV screens and monitors. making this the ideal card for your 4K Ultra HD video-enabled smartphone. tablet or camera.ALL THE MEMORY YOU NEEDGenerous storage capacities up to 128GB2 mean you won't run out of the memory you need to work. shoot and share high resolution videos and stills.SD ADAPTER FOR VERSATILITYThis 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 card slot. You'll be able to use your memory card with SD enabled cameras. camcorders. tablets. and laptops.BUILT FOR EXTREME CONDITIONSSanDisk Extreme microSD UHS-I Cards are waterproof. shockproof. x-ray proof and temperature proof to protect your memories from life's mishaps. Take your phone or tablet to the snow. to the pool or to the desert. Your card will survive. even if your device doesn't.