1. Material: ABS
2. Wide angle air supply
3. Wind speed gear: 3
4. Rated voltage: 5V
5. Rated power: 4W
6. Long battery life with dual batteries
7. Power supply mode: USB
8. Noise: 36dB or less
9. The spray is turned on and the temperature drops rapidly
10. Air supply mode: no page turning, no shaking
11. Even speed, simulating natural wind, strong and stable wind
12. Use two 18650 lithium batteries, capacity: 2500 mA
13. Weight: 415g
14. Size: 122x108x142mm