Applies to Cell Phones, Cameras, MP3/MP4 Player and More device
Can be Used as Micro SD or SD Card
Operating Temperature - 13°F to 185°F(- 25°C to 85°C)
Storage Temperature - 40°F to 185°F (- 40°C to 85°C)
About capacity: 32GB=approximately 28.5GB-30GB
Vendors are using Flash memory decimal arithmetic: 1 MB = 1000KB, 1G = 1000 MB
Calculated, operating system with binary arithmetic: 1 MB = 1024KB, 1 GB = 1024 MB;
So there are some differences between display capacity and nominal capacity of flash memory products.
About Speed
Class10: Read speed around 20-30MB/S ,Write speed around 60-80MB/S
The Micro SD card speed is based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors.
Micro SD card speed is greatly affected by card reader, adapter, USB port etc. Low quality device will 100% slow down card speed.