Describe: 1. Material: High-quality PC casing, pure copper motor and alloy fan blades are used to bring surging power, long-lasting suction without decay, no heat, and effectively and quickly remove stubborn dust 2. Design: Ergonomic handle design is adopted, which is comfortable to hold, and will not be tired when held for a long time, making cleaning a kind of enjoyment 3. Mode: This wireless vacuum cleaner is three-in-one of blowing, sucking, and pumping, and has four use modes (Vacuum cleaning/Blowing dust/Aspirate/Blow air),powerful functions 4. Reuse: The high-efficiency Hypa filter can absorb dust particles and can be washed with water to effectively prevent garbage residues from producing peculiar smell and prolong the service life 5. Bass operation: sound 78dB, noise reduction and then upgrade, cleaning without worrying about affecting family rest 6. Charging method: smart USB charging interface, compatible with a variety of charging methods, notebooks, charging treasures, computers, etc., charging and using 7. Long-lasting battery life: Built-in large-capacity lithium battery, 4000mAh battery, can be used continuously for more than 45 minutes, long-lasting battery life 8. Applicable to: gaps in the car, sofa carpets, desks, computer keyboards, bookshelves, hair on the bed, drawers, etc. can be used in various scenes that cannot be cleaned Specification: Color: Black Noise: 78dB Working temperature: -20~+50 Rated voltage: DC 7.4V Rated power: 120W Rated speed: 35500 (r/min) Vacuum suction: about 95000 Pa Dust cup capacity: 0.5L Charging method: Type-C charging Battery: built-in rechargeable lithium battery Battery capacity: 4000mAh Charging time: about 3-4h Battery life: about 45 minutes USB cable length: about 1m/3.28ft Product size: 21*16*6.5cm Product net weight: 340g