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 PRO microSDXC memory card reads up to 170MB/s and writes up to 90MB/s. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience. SanDisk Extreme PRO microSDXC cards are compatible with smartphones, tablets, action cameras and drones. SanDisk Extreme PRO microSDXC UHS-I cards are shockproof, temperature-proof, waterproof, and X-ray proof, so you can enjoy your adventures without worrying about the durability of your memory card.