Product information:
Noise: 37-45db
Battery life: 1-3 hours
Packing List: paper box
Air supply method: No page turning, no shaking head
Control mode: Knob type
Fan Speed Mode: continuous speed change
Product Size: 143*93 * 39MM
Battery: LISUN 21700 cell 4000mAh * 2 (7.4V)
Motor: 13W rpm, wind speed 52 m/s, power up to 230W

Fan * 1 set