The personal air cooler features a 18650mAh rechargeable battery that provides up to almost a whole day of use on a full Enjoy cool, clean air Easy to use and convinient to clean Long press for the lihght night Short press for continious double spray Water for tank with large capacity Can enjoy the misting for a hwole day without re-filling multi-function desk fan, humidifier air cooler fan has 3 speed wind modes, double-head spray, lighting night light, color-changing breathing atmosphere light Personal air cooler uses a silent running motor for Ideal for a restful night ' s sleep or an uninterrupted work day Its silent running cause no distraction, ensuring you stay focused, cool Small size but very effective 3 gears are adjustable Its silent running cause no distraction, ensuring you stay focused, cool and productive Very suitable for use