Excellent cleaning, three-dimensional circulation.
Fresh air Microsystem, replaceable filter.
Lightweight design, breathe freely.
3D nose pad that fits the bridge of your nose.
550 mAh polymer lithium battery, USB charging.
3 gears are freely adjustable.
The package includes:
1 x Mask
1 x blue filter
1 x Green filter
1 x filter disassembly tool cover
1 x S buckle
1 x user Manual