Capacity: 512MB - SanDisk Micro SD Memory Card 100% Original C10 U1 U3 4K HD Tra
UHS Level: U3. Item Quality: 100% Original Sandisk micro SD Card. The type of reader you use for speed tests makes a huge difference. Class Level: C10. - 4K UHD and Full HD Ready with UHS speed class 3 (U3) and video speed class 30 (V30).