Memory Card 4GB 8GB 16GB 32GB mini SD Card 128GB 64GB/TF Flash Card MemoryCard 128 256 GB Memory Card for Phone

About capacity display in computer :

4GB   = approximately 3.6GB-3.8GB

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. This is calculation difference between manufacturer and our PC; please Google 'Memory card capacity' to get more information.The pursuit of the perfect person is not recommended to buy.

About writing and reading speed :

16 - 32gb class 10 SDHC;

64gb 128gb class 10 SDXC

Withretail package, without usb card reader

1x memory card

1 x SD adapter

1x retail package

Dear buyers , this is the link to track the package:

1.【https://www.17track.net/en#nums=  (Please enter your tracking number)】