Verbatim pro microsd memory cards give pro level performance to action cameras camcorders smart phones amp tablets uhs speed class 3 u3 rating means you can capture 4k ultra hd and full hd video then transfer quickly to your computer for viewing and editing compatible with any device with an sdhcsdxc memory card slot verbatim pro microsd memory cards are waterproof amp shockproof memory capacity 16 gb read speed 90 mbs write speed 45 mbs internal memory type uhs flash memory class 10 flas