Orignal Xiaomi AirPOP Anti-fog Haze Filter Anti-haze PM2.5 Dust Mask Filter Wind-proof Breathable Unisex Outdoors Man Type: Backpack Material: 600D-Polyester

Man Type: Backpack Material: 600D-Polyester Capacity: 21L (15

the robot absorbs all the debris

7V Li-po Battery Capacity: 700mAh Transmitter Battery: 4 x 1

Note:How to install this item

Orignal Xiaomi AirPOP Anti-fog Haze Filter Anti-haze PM2.5 Dust Mask Filter Wind-proof Breathable Unisex Outdoors Man Type: Backpack Material: 600D-PolyesterProduct Features: Filter regularly replaced, PM2. 5 purification rate of up to 98% or more. 5 layers of high efficiency filter, using electrostatic capture and physical barrier in two ways to filter different particles. Food safety material. Light and breathable. 360 adaptive seal, the formation of three dimensional fully enclosed air bubbles. On both sides of the bridge of the nose, chin and other dead focus double protection, so that the mask more