[Product name]: Handheld car vacuum cleaner. [Product color]: black, white. [Product material]: ABS. [Packaging size]: 3248868mm. [Battery capacity of lithium battery]: 2 cells total*1800mAh. [Fan blade]: Aluminum fan blade. [Charging method]: 5V USB boost charging cable. [Rated power]: 120W.[Product accessories]: Nozzle set 1pcs, instruction manual 1pcs, USB charging cable 1pc, host 1pc, carpet brush 1pc.Instructions for use:1. Check whether the charge is sufficient. 2. Turn on the switch. 3. Use different suction nozzles according to different usage occasions. 4. This product is a wet and dry vacuum cleaner. When absorbing water, you should open the front cover in time to drain water. 5. When the rechargeable battery USB displays red, it means it is charging normally, and green means it is fully charged. 6. Charging time is about 3-4 hours to fully charge, and it can be used continuously for about 20-30 minutes when fully charged.Precautions:1. The filter must be installed when using. 2. Do not expose it to direct sunlight or use it in places with high temperature and high pressure. 3. Do not use gasoline or highly volatile detergents to wipe the body. 4. The front shell cannot be removed when the motor is rotating. 5. This product is a vehicle tool. It is prohibited for children to use it alone to avoid danger. 6. When absorbing moisture, you should pay attention to the water accumulation height of the front cover. 7. When removing foreign matter from the gap, please put on the duckbill straw. 8. Under normal conditions, it can usually be used for half an hour and has no impact on the car battery. 9. After using this product, please turn off the switch. *When removing personal belongings from the mesh bag, press the fastening buckle, and then pour out the foreign objects.