The lens meets the eu ECE2205 standard,keeping the perspective rate,preventing eyepiece fogging and preventing collisions, 3d human nature curve design, more spacious field of vision;
High efficiency activated carbon, large absorption capacity, low resistance;
RD40 international common interface, can be connected to the mask through a catheter;
Five-point headband, fast plate buckle, easy and convenient, head uniform stress, no sense of pressure;
Unique sound transmission device, both working and communicating correctly.