Cooling: Cool yourself down this summer with this air conditioner - just add pure water and let the fan disperse the droplets into the air. Personal Fan: Get a portable personal air conditioner. Power: 5V 2A voltage, 2600MAH battery capacity. Charge: Can last 3-5 hours on full charge. Capacity: Water tank capacity of 350ml and a usage rate of 50ml/hour. Sleep: Timer functions and a low working noise can help you to have a better and cooler nights sleep. Portable Personal Air Conditioner | Living Social | Living Social