SEKC 64GB microSDXC memory card with adapter - UHS-I U3, A1, V10, C10, micro SD - SV10A164 interface: microSDXC memory card with SD Adapter. UHS-1 U3, A1, V10, class 10. For cameras, tablets, smartphones and other devices Specification: made in Taiwan, waterproof, shockproof, X-ray proof, temperature resistant speeds: read speeds up to 85MB/s. Actual transfer speeds will depend on operation environment, computer equipment and other factors recommended use: storing documents, pictures, videos system compatibility: devices that support microSDXC cards. Product: 2 Year manufacturer's