1. Own U.S.A patent structure

2. Innovative technology research and development, improvement and evolution, adding metal iron and other components, the rotation of the temples is more three-dimensional and flexible

3. The elastic temples can be expanded 180°, not easy to deform

4. Lightweight, you can feel comfortable wearing it on any face shape

5. Outdoor activities such as food delivery staff, home delivery staff, driver staff, sports, driving, etc. are all suitable for wearing