The WOO Chroma is a 64 GB MicroSDXC card designed to handle the demanding data rates of 4K UHD video recording and high-resolution photography. With a UHS-I interface and a U3 speed class, it ensures a minimum write speed of 30 MB/s, which is further supported by its V30 video speed rating to prevent dropped frames during high-quality filming. This card reaches transfer speeds of up to 90 MB/s for both reading and writing, allowing you to move large files to your computer quickly. This 64 GB capacity is ideal for various project sizes, and the card comes with an SD adapter so you can easily use it in devices with larger slots.