3 in 1 Mini Air Cooler, Portable Air Conditioner, Humidifier with Handle, Air Cooler for Work and Home Features: All-in-one design: Mini air coolers can not only reduce the ambient temperature, but also help us reduce dust, smoke. 360ml water capacity, can be used for 6 to 8 hours. Note: The product does not have a cooling function, please add ice water and small ice cubes or put the filter in the freezer and air cooler for best results. Smart Leak Proof: Thanks to the advanced design of the water sensor, the fan automatically stops dripping after the filter paper is completely wet, the problem of water leakage has been completely solved. If you think the humidity is insufficient, of course you can add water manually. Low Noise: Mobile air conditioner uses the latest smart noise reduction technology to reduce noise as much as possible. This makes it quieter than a similar device. The low speed is only 25 dB and can be used comfortably while sleeping. Practical and portable: The USB charging design is very practical, so you can power your mini air conditioner from a computer, a power bank or an outlet. It is recommended to use a power supply of more than 2A to ensure a good working effect. Safety and environmental protection - The small cooler is more suitable for personal cooling. The recommended range is 5 m. Do not add a freon, there will be no escape. It is suitable for home, office, kitchen, outdoor, suitable for travel, fishing, camping, hiking, backpack, grill, picnic. It is the best gift for family and friends in summer. Five reasons to choose us without hesitation: The portable air cooler can be charged via a USB cable (without battery), so you can use it in a variety of scenarios, e.g. at the office, traveling, camping, and many other outdoor activities. With the rotary knob design, you can easily adjust the wind size and direction of the window to enjoy the cool wind from all angles. Tank The leak-proof 360ml independent water tank extends the life of the filter. Smart Exclusive smart water pump design, the water pump automatically detects the water content in the filter core, automatically drips when dry. Energy saving and environmental protection, only 1 degree of electricity for 8 days of continuous operation, low power consumption, high wind energy. Note: When you hear a click, the pump runs normally. The pump presses the water into the filter, it is a normal phenomenon. Add ice cubes or frozen water or put the filter in the refrigerator before use for better cooling effect; If the water level in the water tank is too low, turn off the air cooler and then add water, turn it on again and the red light will show blue. Packing List: 1 x mini air conditioner 1 x USB cable