Compatible Brand/Model : NoneCertification : NONECapacity : 32GB 64GB 128GB 256GB 512GBType : TF (Micro SD) cardColor : red-blackSpeed level : class 10, UHS-1Read speed : up to 20MB/sItem size : 1.5 * 1.1 * 0.1cm / 0.59 * 0.43 * 0.03in (L * W * H)Item weight : 0.3g / 0.01ozPackage size : 12.5 * 7.5 * 0.5cm / 4.92 * 2.95 * 0.19in (L * W * H)Package weight : 7.2g / 0.25ozFeature:1.Micro sd Card + sd adapter2.Plug and play (no software needed)3.Micro sd + TF format,High-speed read and write4.256GB,512GB,1TB,Storage Size5.Applies to Cell Phones, Cameras, MP3/MP4 Player and More device6.Can be Used as Micro sd or sd Card7.Operating Temperature - 13°F to 185°F(- 25°C to 85°C)8.Storage Temperature - 40°F to 185°F (- 40°C to 85°C)About capacity:Capacity flash memory products are usually shipped in accordance with 1MB = 1000KB, 1G = 1000MB computing, but the operatingsystem using binary arithmetic 1MB=1024KB, 1GB = 1024MB, so there are some differences between the display capacity and standard capacity memory products.This is calculation difference between manufacturer and our PC. This is calculation difference between manufacturer and our PC, please Google 'Memory card capacity' to get more information.