1. Adjustable Rotation Angle These ear protectors with headband feature an adaptable rotation angle, allowing you to set comfort and maximum noise reduction. The flexible design ensures a fit for any head size while maintaining soundproofing performance at construction sites or loud environments. 2. Wide Application Versatility Designed for multiple uses, these ear protectors are suitable for construction sites, industrial work zones, and noisy environments requiring hearing protection. Their universal compatibility makes them ideal for various headband models, ensuring functionality across different job sites and applications. 3. Stylish Lightweight Design Combining style with practicality, these ear protectors feature a sleek, hard outer shell with a lightweight build for allday comfort. The modern red and black color scheme adds a touch of professionalism, while the ergonomic design prevents fatigue during prolonged wear. 4. Telescopic Durability Tested Built for reliability, the telescopic adjustment mechanism has undergone rigorous testing with over 10,000 durability cycles. This ensures a secure, stable fit that withstands daily wear in demanding work environments while maintaining easy adjustability.