Features: Detachable absorbent sponge: There is a detachable black mesh in the air-cooler that can absorb odors and dust. There is a water drawer and sponge for collecting mists, so you don't have to worry about water getting wet on your desk. 3 speed adjustable air blowing modes: low/medium/high, which can meet most of your cooling need . Imitate natural wind design and feel better after prolonged use. Fine mists refrigeration: using an ultrasonic atomizer. Fine mists cooling, using a 4um atomizer, keeps the body and table moist after prolonged blowing. 500ML water-tank: Large capacity water-tank, wide mouth threaded water bottle cap, and blue ambient-light. Easy to clean and leak-proof. When the water is used up, it will turn into natural wind, so you don't have to worry when sleepings. Portable handle: Easy to carry. Lightweight and space saving. Bring you cool-air in the hot summer! The compact-size is suitable for personal space and small room. Specifications: Material: ABS Rated-Voltage: DC5V1.5A Input Power: 7W-Power Maximum Wind Speed: Approx. 300cm/second Rated-Evaporation: About 50ml/H±30%. Rated-Output Air Volume: Approximately 108m²/H (Q=3600va) Factory Noise: ≤55db (Noise Sound Power-Level) Maximum Air Supply Distance: Approx. 300cm/9.84ft Usb Cable Length: Approx. 120cm/3.94ft Water-Tank Capacity: 500ml Size: As Shown In The Picture Package Includes: 1X Portable Air Conditioners note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.