Guo Feng Usb Rechargeable 550mah Air Purifying Respirator Mask Length: 49.3 Millimeter (Mm)

We are renowned as a leading name engaged in exporting, manufacturing and supplying an excellent quality collection of Guo Feng USB Rechargeable 550mah Air Purifying Respirator Mask in Guangdong, China.
Product name: Gou Feng smart air masks
Function: Can prevent PM2.5, pollutants, bacteria ect.
Material: PP non-woven, ABS plastic
Nominal voltage: DC 5V
Rated power: 0.4W
Total weight: 25g
Dimension: 49.3*44*19.3mm
Storage time: 3 years
Standby time: Charging 2 hours, can last 5~8 hours
Operating: Charging with Micro, it shows red light, charging finish, the light turns blue
The light not on when operating, it will automatically stop when power out

Features of dust mask:
1, 360A all-round protection, give you the most intimate protection.
2, 3D sponge high efficient protection, make gas is not easy to run out.
3, High performance exhalation valve, making breathing more smoothly, and reducing the accumulation of heat and moisture.
4, Applyed with elastic cotton ear straps, making feeling more comfortable.
5, Build-in adjustable nose clip, make sure the mask and the face are well kept and comfortable.
6, 3D cut design make it more fit with your face.
7, the mask consist of 4 layers, off multiple protection for you.
8, in line with the national standards GB2626-2006, the particle filtration lever is N95.
9, the blower can be last 5~8 hours after charging 2 hours
10, the motor is mute, with moise lower 35db