1800mAh Built In Power: Features an 1800mAh rechargeable cell providing 2 5 hours of action after 3.5 hours charging via standard USB port Weighing only 357.8g for use in offices, bedrooms, or outdoor activities Multiple Speed & Dispersion Modes: Choose from gentle to powerful air circulation across 3 intensity settings Low Noise Motor Technology: Engineered with premium brushless motor maintaining sound output below 30dB, suitable for work, study, or relaxation Versatile Water Reservoir: Includes a see through standard bottle and accommodates most 30mm diameter bottles Visible liquid feature prevents overheating during extended use Advanced Cooling structure: Equipped with two water dispersion outlets that generate refreshing droplets, paired with a large fan for rapid temperature