Outdoor Sports Bike Cycling Hiking Smart Electric Mask Dustproof Anti-fog PM2.5 Formaldehyde Intelligent Mask

Description: item: Smart Electric Mask Rated voltage: DC5.0C Working voltage: DC3.7-5.5V Rated current: 0.2A (+10% -25%) Noise: 99.9% Color:Black White Power mode: USB Control mode: button type Suitable area: 10 below Type of filter: composite filter How it works: HEPA technology Air volume of air purifier: 50m/h Cover material: 5 layers filter Material: body and shell silicone, hook and loop, high elastic tape Built-in lithium battery Features: - Active air mask, no longer suffocation. - Five layers filter screen design, sterilization cotton can be sterilization, prevent the surface of the filter breeding bacteria. The HEPA filter efficiency can filter PM2.5, smoke and other particulate purifying PM2.5 efficiency can reach 99.5%. - According to the face shape of the adult, soft silica gel is adopted to make it fit more closely to the face. Meanwhile, silica gel adopts the clasp design to facilitate disassembly and cleaning. - The first use of cloth wearing mode, double fixed mode (ear wear + ) does not stick to the hair. - Cloth and plastic hot - pressing technology, more secure fixation. - One-way air valve, effectively prevent the entry of fog and haze. When exhaling, air valve open, take out the harmful gas, inhalation, fog and haze through the filter into the nasal cavity, air valve close, block the fog and haze into. - All plastics are FDA food grade and silica gel is FLGB food standard. - 760mA large capacity battery, a charge of the high-grade use time of 4-5 hours, the low-end use time of 7-8 hours. - DC fan, large air volume, efficient ventilation. - The inner cavity adopts ultrasonic structure, and the seal is more airtight. - Low power standby power consumption, can be placed for 3 months without charging. Package included: 1 x Electric anti-smog masks