Portable & mini design, convenient & easy operate in anywhere
Three-speed wind, low noise and mute operation
Easy to wear with clip, circulating the air in the mask
Super light and without sense of wearing
The air circulation fan with built-in lithium battery can be charged by USB cable, which is energy-saving and environmental-friendly
Specifications:
Product model: K1
Product material: ABS+PP+electronic components+silicone
Product net weight: 20.6g
Product size: 16*28*64mm
Charging time: 1 hour
Battery capacity: 270 mAh
Battery voltage: 3.7V
Rated power: 0.5W
Input current/voltage: DC5V/85mA
1st gear working voltage: 3.5V, current 115mA, speed 5500
2nd gear working voltage: 4.1V, current 137mA, speed 6700
3rd gear working voltage: 4.1V, low-speed current 3.3mA, high-speed current 147mA, speed 6700
1st gear working time: 2 hours 36~44 minutes
2nd gear working time: 2 hours 06 minutes -11 minutes
3rd gear working time: 3 hours 40-47 minutes