Speed:

8GB/16GB/32GB-Class 10-SDHC

64GB/128GB-Class 10-SDXC

MIXZA Memory card 8GB 16GB 32GB 64GB 128GB micro sd card
Specification:
1.Micro SD Card
2.plug and play (no software needed)
3.Micro SD and TF Farmat
4.Capacity : 8GB 16GB 32GB 64GB 128GB
5.Great for cell phone ,cameras ,MP3/MP4 player and More
6.Can be used as Micro SD or SD Card
8.100% satisfaction Guaranteed !

8GB/16GB/32GB/64GB/128GB is class10

Tip ( 3.0USB reader Test Result) :
Class10: Read speed around 15-20MB/S ,Write speed around 9.5-11MB/S

Try to use USB3.0 to test ,Please not it !!! others ,64GB 128GB micro sd cards try to use win7 system or later ,sometime the other system will not be test the cards successful !!!
package include :
1pc X Micro sd card
1pc X retail package

About capacity:

8GB=approximately 7.4GB-7.6GB
16GB=approximately 14GB-15GB
32GB=approximately 28GB-30GB
64GB=approximately 58GB-59GB

128GB=approximately 118GB-120GB

This is calculation difference between manufacturer and our PC, please Google 'Memory card capacity' to get more information
Please don't use cheap card reader to test Micro SD card, speed of Micro SD card will be reduced by low quality card reader
The most reliable software to verify memory card is H2testw

**Micro SD card speed is greatly affected by card reader, adapter, USB port etc. Low quality device will 100% slow down card speed.

**Up to 40MB/s read speed; write speed lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.

Product Detail:

Flash unit from Samsung

Manufactured in Taiwan

Assembled in China

A-Diamond version

B-2016 Monkey Version

C-USB Flash Drive(GS-C1/GS-C2/GS-C3)