Gigastone 64GB 2 Pack Micro SD Card, 4K Camera Pro, Video Recording for GoPro, Insta360, DJI, Drone, Nintendo Switch, R/W up to 100/50 MB/s MicroSDXC Memory Card UHS I U3 A2 V30, with Adapter

[Speed] Read/Write up to 95/35 MB/s, V30 speed grade, Ultra HD (UHD) 4K video recording, UHD 4K gaming. [App] A1 grade provides faster App loading performance for Smartphone & Tablet. [Storage] Expand 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.