High Speed High Quality Mini Micro SD Card Memory Card Memory Stick TF Card Class 10 8G 16GB 32GB 64GB C10 Card For Smartphone/Tablet
1. Why the micro sd card real capacity is not correct capacity?
Flash 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.

Package Contents:
Micro SD with Full Retail Package*1

Speed:
4/8GB-Class 10-SDHC
16GB/32GB-Class 10-SDHC
64GB-Class 10-SDXC
Tip ( 2.0USB reader Test Result) :
About capacity:
2GB=approximately 1.6GB-1.8GB
8GB=approximately 6.9GB-7.3GB
16GB=approximately 14GB-15GB
32GB=approximately 28GB-30GB
64GB=approximately 58GB-60GB
This is calculation difference between manufacturer and our PC, please Google 'Memory card capacity' to get more information
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