Appearance Dimensions: 11 mm x 15 mm x 1 mm (0.43" x 0.59" x 0.04") Weight: 0.4 g (0.01 oz) Operating Temperature: -25°C (-13°F) ~ 85°C (185°F) Operating Voltage: 2.7V ~ 3.6V Flash Type: -3D NAND flash -2D NAND flash