Sell Portable air purifying mask fan intelligent anti-haze fan usb mini exhaust clip small fan lovehomely best price

Package Included: 1*mask fan 1*charging cable 1*bag 1*Instruction Specifications: Lightweight and compact air purifier fan Low noise and mute Ventilation and heat dissipation Third gear wind Portable charging, a variety of charging methods, cycle charging only takes 40 minutes Description: Product size: 16*28*64mm Product weight: 20.6g Product material: ABS+PP Battery charging time: 1 hour Battery capacity: 270 mA First gear working voltage: 3.5v, current 115mA, speed 5500 Second gear working voltage: 4.1v, current 137mA, speed 6700 Three gears working voltage: 4.1v, current low speed 3.3mA, current high speed 147mA, speed 6700 First gear working time, 2 hours 36~44 minutes Second gear working time, 2 hours 06 minutes -11 minutes Three working hours, 3 hours 40-47 minutes Colors: White, Black