64 GB , Type MicroSDXC , Read speed 100 MB/s , Write speed 80 MB/s , UHS Speed Class Class 3 (U3) , Video Speed Class V30 , Flash memory class Class 10 , Colour Black/Red , Operating temperature (T-T) -25 - 85 °C , Width 11 mm , Depth 15 mm , Height 1 mm , Weight 0.25 g