This Team Group ELITE microSDXC memory card offers 256GB of storage, ideal for mobile devices and 4K video recording. It features UHS Speed Class 3 (U3), UHS Video Speed Class 30 (V30), and A1 Class for high-speed application performance on Android devices. Enjoy smooth 4K UHD video capture and playback, and fast app execution with random read speeds up to 1500 IOPS and random write speeds up to 500 IOPS. The card is built to endure rough conditions, being resistant to extreme temperatures, waterproof, dustproof, and x-ray proof for all-around data protection. Additionally, it is an eco-friendly product, utilizing eco-friendly printing technology and inks.