1.Micro SD Card

2.Plug and play (no software needed)

3.Micro SD + TF format,High-speed read and write

4.16GB, 32GB, 64GB,128GB Storage Size

5.Applies to Cell Phones, Cameras, MP3/MP4 Player and More device

6.Can be Used as Micro SD or SD Card

7.Operating Temperature -13º F to 185º F (-25º C to 85 º C)

8.Storage Temperature -40º F to 185º F (-40º C to 85º C)

This is calculation difference between manufacturer and our PC, please Google 'Memory card capacity' to get more information.

Regarding the speed：

* Up to 60MB/s write speeds for fast shooting (Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.)

* Up to 100MB/s read speeds to save time transferring high-res images and 4K UHD videos (Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.)

* Capture stunning 4K and 5K UHD video (Compatible device required. Full HD (1920x1080), 4K UHD (3840 x 2160), and 5K UHD (5120 X 2880) support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.)

* Rated A1 for faster loading and in-app performance (A1 performance is 1500 read IOPS, 500 write IOPS. Results may vary based on host device, app type and other factors.)

* Built for and tested in harsh conditions: temperature-proof, waterproof, shockproof and X-ray proof (Card only. See official SanDisk website for additional information and limitations.)