USB Charging Cooler Air Conditioning Fan Desktop Cooling Fan Swing Humidifier 1. Material: ABS + electronic components 2. Power: 7W 3. Speed: 3 speeds 4. Operating voltage: 5V 5. Water tank capacity: 300ml 6. Charging interface: Type-C 7. Battery capacity: 1800mAh 8. Weight: about 473 g 9. Size: about 23 x 15 x 12 cm Features: 1. 300ml abundant water tank, only add water once a day, to avoid stagnant water breeding bacteria 2. 3D three-dimensional multi-angle wind, shaking wind, free switching, cool in all directions 3. Low-noise operation, wind sound light, does not affect the sleep and mood, enjoy the soft and comfortable natural breeze 4. LED seven-color warm ambient light, soft and not blinding, give you a long time cool night companion 5. 3 levels of wind power, strong wind drive indoor air circulation, from the delicate soft wind to strong cool, such as natural comfort 6. Large-capacity lithium battery, long-lasting, Type-C charging, outdoor travel in the summer, cool wind surrounded by strong wind to drive away the summer heat