Please read before ordering :
About capacity display in computer :

16GB=approximately 14GB-15GB

32GB=approximately 28GB-30GB

64GB=approximately 58GB-60GB

128GB=approximately 115GB-119GB

256GB=approximately 230GB-238GB

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

Package list:
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)】
Or
2.【https://global.cainiao.com/detail.htm?mailNoList=  (Please enter your tracking number)】

▲When the parcel arrives, the post office will normally put it in your mailbox. Please check your mailbox first. You can also contact the local post office on your own initiative, which will help you receive the parcel faster.Before you contact with the shipping carrier, May I advise you check with your families, roommates, and neighbors,etc. See if anyone has signed the item for you.

▲When you encounter any problems, please do not open disputes at will, hope you can contact us directly, we will help you solve the problem，thank you for your support!