Purely Breathing Mouth Air Filter Mask With Fan Quiet Block PM 2.5 Passive Smoke

3 grades adjustable speed with one key: The wind speed is adjustable so as to fit different occasions, like walking, running or riding.
With the nanometer level Filtration technology, combining the Purely stereoscopic air-duct, no worry about your breath.
Skin care, breathable and sealed design: provide the purified air for you.
With the mute ultra-thin customized fan, you can enjoy free breath with the mask.
Ultra lightweight design: create more convenience for you.
Durable service life: it works for 4~8 hours after charging.
Specification
Color: black
Rated Voltage: DC 5V
Rated Power: 0.4W
Main Material: PC fiber, PC
Working Time Between Charges: 4~8 H
Certificate: RoHS, CQC, SGS, CASST, CNAS
Product Weight: 50.5g
Product Dimension: 75 X 37 X 12.5MM
Package:
1 x Purely Breathing mask
1 x Mask Filter
1 x Spare Lids
10 x Mask Lids Filters
10 x Purely Filters
1 x Filter Cover Disassembly Tool
1 x User manual