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Fast Cooling Down & Low Noise. The USB air conditioner is designed to create your personal temperature environment and can efficiently cool the hot air around you. It is great adding some ice or water into the tank to accelerate the cooling speed within 2ft distance to get a cooler feeling.

The wind direction can be adjusted up and down by 60 °to meet larger area need. 7 soft LED colors breathing lights can change smoothly by your mood when sleeping or working.