Description: 1. Easy to wear, with two connection modes: square and round, making it easy to handle multiple masks.
2. Striving for excellence and craftsmanship, with optimized materials and more refined workmanship.
3. Sponges like cushioning design, making them more comfortable to wear. Thickened sponge protects the forehead from tension and has functions such as sweat absorption and anti slip.
4. Adjustable head ring, no need to worry about improper size. Top adjustment, buckle top buckle can be adjusted to fit various head shapes and sizes at will.
5. The gear adjustment knob rotates smoothly and is easy to operate, and the tightness can be easily adjusted by pressing during use.
6. The headband buckle can adjust the distance and angle between the mask and the face to easily adapt to the working field of
