Extreme 128GB MicroSDXC Card w/ SD Adapter 190MB/s 4K, A2 V30 for Cams/Phones

4K UHD-ready with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30). Rated A2 for faster loading and in-app performance. Built for and tested in harsh conditions; temperature proof, water proof, shock proof, and X-ray proof.