Gigastone 256GB Micro SD Card, A2 V30 Runs App for Smartphone, UHD 4K Video Recording, High speed 4K Gaming 100MB/s, Micro SDXC UHS-I U3 C10 Class 10 Memory Card with Adapter, 5-year Warranty

[Speed] Read/Write up to 100/80 MB/s, V30 speed grade, Ultra HD (UHD) 4K video recording, UHD 4K gaming. [App] A2 grade provides faster App loading performance for Smartphone & Tablet. [Storage] Expands smartphone internal storage space. Run App on Micro SD card. [Compatibility] Storage expansion for Laptop, Tablet, PC, Smartphones, Camera, DSLR, Dash Cam, Camcorder, Surveillance, e-Reader, Drone, Gaming. Files, Videos, Music. Compatible with Nintendo Switch GoPro Andoroid Samsung Canon Nikon [Support] Gigastone 5-year limited warranty + 2-year data recovery guaranteed