Product Description Get extreme speeds for fast transfer app performance and 4K UHD. Ideal for your Android smartphone action cameras or drones this high-performance microSD card does 4K UHD video recording Full HD video and high-resolution photos. The super-fast SanDisk Extreme microSDXC memory card reads up to 160MB/s and writes up to 90MB/s. Plus it's A2-rated so you can get fast application performance for an exceptional smartphone experience. Features