Gigastone 256GB Micro SD Card, 4K Video Recording, 4K Camera Pro, compatible with Nintendo Switch, Dash Cam, GoPro Cameras, R/W up to 100/50 MB/s, Micro SDXC UHS-I A1 V30 Class 10, 2 Pack (2x256GB)

[Speed] Read/Write up to 100/60 MB/s, Video Speed Class 30 (V30), Ultra HD (UHD) 4K video recording [App] Rated A2 for faster loading and in-app performance [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 Android Samsung Canon Nikon [Support] Gigastone 5-year limited warranty