Speed Level: 1-100 Speeds, Rotation: MAX 13000RPM, Wind Speeds: MAX 25ft/s.
Refrigeration & Cold Compress: Lower the temperature to 53-59(Lab measurement data).
Battery Capacity: 5200mAh, Running Hours: 3.5-20Hrs.
Visual Digital Display: Display the remaining battery life and speed level.
Pocket Size: 2.3x6.1inch, Weight: 7.47oz.
Noise level: 1st gear-49dB, 25 gear-54dB, 50 gear-57dB, 75 gear-61dB, 100 gear-65dB.