High-speed motor, 100 gears of strong wind, plus or minus gear wind control, 1~30 gears for rapid heat dissipation, 30~70 gears for rapid antiperspirant, 70~100 gears for ultra-fast cooling Ultra-large capacity battery, improved performance, longer power output, 100% longer battery life, tape-c fast charging interface, two hours of charging, cool all day Safe air inlet, no harm to hands 12m/s ultra-high wind speed, cool only when the wind is strong Meet various scenarios, portable, can be installed anywhere you want, small body, large air volume