sandisk extreme 32 gb microsdhc memory card for action cameras and drones with a1 app performance up to 100 mb s class 10 u3 v30Features: Read speeds of up to 100 MB s and write speeds of 60 MB s to keep up with the action Capture fast action photos or shoot 4K UHD video with write speeds of up to 60 MB s; the SanDisk Extreme PRO microSDXC UHS I card lets you record more, faster. With up to 32GB of capacity, the SanDisk Extreme microSD UHS I card lets you record uninterrupted 4K UHD and Full HD video with UHS Speed Class 3 U3 and Video Speed Class 30 V30 ratings. SanDisk