USB Portable Air Conditioner 3 Speeds Personal Air Conditioner 650ml Large Water Tank Small Air Cooling Fan for Indoor Outdoor. Water Tank Capacity: 650ml. Wind Speed (M/S): (Test Distance: 20cm) 1st Gear: 2.8m/S±10% 2nd Gear: 3.8m/S±10% 3rd Gear: 4.2m/S±10%.
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