Are you still worried about the dust in the narrow spaces such as keyboard gaps, pet nests, cars, cosmetic bags and so on? Portable USB vacuum cleaners will sweep you through. Built-in 2000mAh large-capacity lithium battery, recharged about 1000 times, still use 60% of electricity after 5 years of use, 50 minutes uninterrupted battery life in low-speed gear, rapid charging, 4-5 hours full charge. Flat nozzle straws are suitable for cleaning: dust in small gaps such as monitors, keyboards, and compartments. The brush straw is suitable for cleaning: keyboard, telephone, chassis and other dust and floating dust stains. Brush straw is suitable for cleaning: keyboard phone, chassis and other dust and floating dust stains. The tube type is suitable for cleaning: small solid particles such as table tops, carriages, drawers, etc. Features: Product name: Portable vacuum cleaner battery Size: 209x137x30mm Battery capacity: 2000mAh 18650 lithium battery Charging time: about 4H Rated power: 5W Current: ≤750mA Charging cable length: 1 meter Noise: ≤75dB Net weight: 196g