Car Wireless Vacuum Cleaner, Specification: Upgrad USB Cable1. Material: ABS2. Haipa net material: PE+PP+polyester hot-rolled cloth3. Rated voltage: DC 7.4V4. Vacuum degree: wireless about 8000pa5. Rated speed: 42000rpm6. Lithium battery battery capacity: 2x1800mAh7. Charging method: 8.4V USB booster line8. Rated power: 120W9. Noise: 84dB10. USB cable length: about 1 meter11. Thoroughly absorb all kinds of impurities, alloy turbine s12. High-density filter, absorb dust without raising dust13. 30 minutes of long-lasting battery life, built-in large-capacity lithium battery14. The filter can be washed and reused15. Net weight: 0.33 kg16. Dimensions: 180x158x66mmInstructions for use:1. Check if the battery is fully charged2. Turn on the switch3. Replace different suction nozzles according to different usage ocCa sions4. This product is a wet and dry vacuum cleaner. When absorbing water, pay attention to open the front cover in time to drain water.5. The USB shows red for normal charging, green for full6. The charging time is about 3-4 hours, and it can be used continuously for about 30 minutes.Precautions:1. The filter must be installed when using2. Do not expose to direct sunlight, do not use in places with high temperature and high pressure3. Do not wipe the body with gasoline or strong volatile detergent4. The front cover cannot be removed when the motor is rotating5. This product is a vehicle tool, and it is forbidden for children to use it alone to avoid danger6. When absorbing moisture, pay attention to the water height of the front cover7. When removing foreign matter in the gap, please put on the duckbill straw8. Under normal conditions, it can usually be used for half an hour and has no effect on the car battery9. After using this product, please turn off the switch, and when removing the debris from the dust bin, press the fastening on, and then pour o