KOOTION 64 GB 2 Pack Micro SD Card, 4K Camera Pro, UHD Video for GoPro, Action Camera, Drone, Smartphone, R/W up to 90/35 MB/s MicroSDXC Memory Card UHS I U3 A1 V30

[4K Ultra HD] ：Read/Write up to 90/35 MB/s. 4K Ultra HD video displaying/recording [A1 Support] ：A1 App Performance enables apps to run directly from the microSD card, delivering faster app launch and performance. A1 provides minimally 1500 IOPS (Read) and 500 IOPS (Write) [Compatibility] ：Storage for Camera, Security Camera, Action Camera, Sports Camera, Laptop, Tablet, PC, Smartphones [Eco - friendly] ：Waterproof, shockproof, temperature-proof and X-Ray proof [Kindly Customer Services] ： please feel free to contact us if you have any problem on our Micro SD Card, we will do our best to solve your problem, the customer is the first position in our heart