Vehicle-Mounted Home Rechargeable Vacuum Cleaner Keyboard Case Dust Blower 1. Material: ABS 2. Working voltage: 100V-240V AC aluminum battery charger (requires self-configuration) 3. Motor: 380 motor, carbon brush motor, aluminum fan blade 4. Interface mode: TYPE-C interface 5. Input voltage: DC5V2A 6. Lithium battery battery capacity: 3 x 2000MAH 7. Rated power: MAX120W 8. Charging time: 3 hours 9. Power cord length: about 1 meter 10. Interface mode: TYPE-C interface 11. Input voltage: DC5V2A 12. Working temperature: -10~50 degrees Celsius 13. Powerful motor, high-performance movement, vacuum cleaning, continuous and stable without heat 14. Washable filter, durable, effectively filter dust 15. Dimensions: 233x155x60mm 16. Weight: 340 grams Instructions for use: 1. Please insert the USB charging cable into the USB charging port of the dust blower, the red light flashes when charging, and the red light is always on when it is fully charged 2. Press and hold the dust blowing button "*" for 3 seconds to turn on the machine, the default is gear 1, press it again for gear 2, and press the third time for power off 3. This machine uses a lithium-ion battery, which can be charged at any time (but does not support charging and use at the same time). It does not need to wait until the battery is exhausted before charging, and keeps the battery charged at any time, which is conducive to extending the battery life. 4. The fan blades will rotate at high speed when the product is working. It is strictly forbidden to insert foreign objects into the product, otherwise the machine may be damaged 5. If the red light flashes when the charging cable is pulled out during the charging process, it needs to be plugged in again Precautions: 1. When the battery is dead, please charge it in time, and charge it every 3 months when it is in a static state; 2. This product is prohibited for children to use alone to avoid danger 3. Do not throw into fire 4. Avoid exposur