8GB Micro SD Card Class10 TF Memory CardDescriptionSpecMicro SDHCSupportSD2.0/SD3.0Capacity128MB/256MB/512MB/1GB/2GB/4GB/8GB/16GB/32GB/64GB/128GBSpeed(MB/Sec)Class2/Class4/Class6/Class10/UHS-I/UHS-IIProduct size15 x 11 x 1MMPin8PinWorking Voltage2.7-3.3VWorking Temperature-25ºC- 85ºCStorage Temperature-40ºC- 85ºCNW10gNote:about real capacity:
4GB=approximately 3.2GB-3.5GB
8GB=approximately 6.9GB-7.3GB
16GB=approximately 14GB-15GB
32GB=approximately 28GB-30GB
64GB=approximately 56GB-60GBFlash memory vendors are using decimal arithmetic: 1MB = 1000KB, 1G = 1000MB calculated, but the operating system is using binary arithmetic: 1MB = 1024KB, 1GB = 1024MB. So there are some differences between display capacity and nominal capacity of flash memory products. However, this is allowed to exist. Please do not doubt his authenticity. This is calculation difference between manufacturer and our PC; please Google 'Memory card capacity' to get more information.