This fan features a misting function for quick cooling with a 70ml water tank. It operates quietly with three wind speeds and two misting modes, suitable for use during sleep. The fan includes a 6000mAh rechargeable battery, providing 6-35 hours of use on a full charge. Price drops from $29.99 to just $15.99. Shipping is free with Amazon Prime or is otherwise a flat $6 per order.