Portable Air Cooler: 3-level fan speed options, low speed for quieter reading or sleeping. Mini Air Cooling Fan: Built-in 2000mAh battery, USB powered, with rubber handle, leather, power bank, easier to use for outdoor camping Humidifier fan: 300ml water tank, humidifier required, add ice cooling effect, 120 degree automatic oscillation mode, Enjoy air circulation while expanding the cooling area
