The whole adopts the smooth encircling type C- type collar shape, which fits the human neck curve, realizes the mechanical uniform partial pressure, and reduces the neck load. Mellow and full integrated curved surface, no sharp edges and corners, soft touch; Minimal pure white color, clean and fresh, suitable for all kinds of wear style.
The split double air chamber is symmetrically arranged on the left and right, and the air outlet is protected by grille, taking into account the air outlet efficiency and safety. The side is integrated with hidden control keys and status indicator lights, visual power/gear prompt, and intuitive operation; With portable lanyard, it can be hung and stored when idle to improve carrying flexibility.