Lightweight Ergonomic Design: Weighs merely 350g with compact dimensions ( 200×90×40mm), featuring comfortable grip for easy single action at home or during travel Advanced Charging Technology: Incorporates upgraded rapid charging processor and efficient power management for power utilization, exceeding standard batteries in duration and effectiveness Rapid Cooling Comfort: Features air cooled semiconductor technology for quick 16℃ temperature reduction in just 1 second, refreshing comfort during warm conditions or outdoor use Long Lasting Power: Equipped with a 300 500mAh rechargeable battery providing 5 6 hours of continuous ( single fan mode), ideal for extended outings or daily requirements Adjustable ventilation With Quiet Function: Delivers 3 selectable settings with efficient low noise motor, generating effective circulation while maintaining sound levels at only 36 45dB ( A) for peaceful enjoyment