Up to 100MB/s & 80MB/s read & write speeds; UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) High compatibility for different types of devices including smartphones, tablets, Drones, Android Tablets, Tablet PCs, Action Cameras, DSLR and 4K or Full HD camcorder. Compatible with Nintendo Switch, which enables a budget-friendly solution for you to boost the storage. Also, it supports Full-HD/ 4K video recording so that you can capture HD videos without annoying lags and dropouts. *To reach the maximum read/write speed, a UHS-I enabled and USB 3.0 reader or host device would be recommended. Ideal for Up-to-date Gadgets Equipped with the Class 10 speed, the Superior Pro microSD series can bring high-tech gears such as sports cameras into full play! You may also place it in some portable speakers for more appealing music. Waterproof, Shockproof, Temperature-proof and X-ray proof Even if you are doing outdoor activities in some extreme climate conditions, the Superior Pro series can still survive from water, shock and wide-temperatures storage ranging from -40oC to 85oC! Moreover, the Superior Pro series is immune to airport X-rays so there is no need to worry when travelling overseas. Add More Storage for Your Mobile Devices Hard to choose which one to delete? The Superior Pro microSD series is available from 64GB to 512GB so you can instantly free up the storage of your mobile devices.