?Durable and Stable ?This TF card adopts a multi-protection design, the internal data is not easy to lose, and the user's data is protected. Waterproof, temperature-resistant, shockproof, anti-magnetic, wear-resistant, anti-X-ray. ?4K Video?This 256gb V30 micro sd card supports 4K Ultra HD and Full HD with UHS-I Speed Class 3 (U3) and Video Speed Class 30 (V30). Meet your needs of daily use on work, school, home and travelling for photos, music, videos, files storage and transfer. ?Wide Compatibility?The sd card has wide compatibility and can be used with a variety of digital devices. Compatible with action cameras, drones, DSLR cameras, smartphones, driving recorders, Nintendo Switch and more, it can provide larger storage space and smooth performance to meet the different needs of users. ?256GB Large Capacity?The memory card has a storage capacity of 256GB, helping users solve the trouble of insufficient mobile phone space. Whether it is storing large video files or a large number of photos, this micro sd memory card can handle it with ease. ?Fast Transmission?JUANWE 256gb micro sd card has the function of fast data transmission, the reading speed is up to 100MB/s, and the writing speed is up to 60MB/s. This means that users can quickly transfer large files, saving a lot of time and effort, allowing users to easily enjoy an efficient use experience.