1.Secure digital card system standard compatibility
2. Read speed: 3 Mbps (max.)
3. Write speed: 3 Mbps (max.)
4. Operating temperature: -15°C-70°C
5. Size: 24 x 32 x 2.1mm (Packing size: 110mm*78mm*15mm)
6. Weight: 2g
7. Dual voltage: 1.6v-3.7v
8. Operating temperature: -15°C-70°C
9. Firmware upgrade: yes
10.Data protection: yes