Make the most out of your mobile device. Pro Plus microSDXC memory card with A1 rating is optimized for mobile applications, launching applications faster & improving application performance. Featuring a UHS-I interface, U3 speed rating & V30 video speed class, with up to 80MB per second write speeds, Pro Plus memory card lets you maximize advanced camera modes. So even when shooting heavy-action events like snowboarding or football or recording 4K video or multi-burst photos, you won't miss a single frame. Zoom through the editing process & experience rapid transfer rates with read speeds hitting 100MB per second. Keep those files safe while traveling to the four corners of the earth to fill the four corners of the frame. This card is waterproof, shockproof & temperature-proof.