Vacuum degree: 3.2 Kpa, Product noise: ≦80 db (A), Filtration method: Hepa filter, Dust collection method: Dust cup, Dust collection capacity: 0.4 L, Battery type: lithium battery, Input voltage/current: DC5V/2A, Charging time: 2-3 hours, Rated voltage: 7.4V (18650*2*1500mAh), Rated power: 37 W, Discharge time: about 18 minutes, Product material: ABS+PP