Capacity & USB Rechargeable The cordless rechargeable car vacuum built-In 4000mah battery which 3-4 hours to be fully charged and provide up up to 20 minutes run time(Low-grade vacuuming 20 minutes, high-grade 10 minutes). Usb charging cable make the car vacuum can be easily charged in anywhere have usb port, So it is easy to charge in the car after use. Please use 5V/2A adapter to charge the vacuum.Charging Time:3-4H Battery Life & Fast Charge】This rechargeable vacuum cleaner adopted Li-ion battery with the running time up to 25-30 minutes, it can fully charge the battery in 2 hours. Our charging system also provides over-voltage protection, over-voltage protection and over-temperature protection to make sure it is safe. Wireless Handheld Car Vacuum Cleaner】Powerful Suction Power 6000pa aluminum fan so it will hold up to wear and tear. Forget about the dustpan and the annoying tight and dirty places you cannot reach in your house, car or shed. Lightweight and Lower Noise】Adopt hand-held ergonomic design, it is light-weight and convenient to carry. Our car vacuum cleaners reduce noise to 70dB, effectively reduce noise when doing cleaning work.