1. Adjustable Rotation Angle These helmet ear muffs can be adjusted to a comfortable rotation angle for noise reduction and a good fit. The flexible design allows you to adjust the angle according to your needs, ensuring maximum comfort during long hours on the construction site. Ideal for workers who need reliable ear protection. 2. Wide Application These versatile ear protectors are designed for a variety of loud environments, such as construction sites, factories, and workshops. Their rugged design and noisereducing capabilities make them suitable for professionals who need durable and effective ear protection. Whether you're working with heavy machinery or in noisy surroundings, these ear muffs provide the coverage. 3. Stylish and Lightweight Design Stay comfortable and stylish with these lightweight ear muffs, which have a tough outer shell for durability and a sleek red and black color scheme. The ergonomic design ensures a secure fit without adding excessive weight, making them ideal for allday wear. The fashionable look doesn't sacrifice functionality, offering both protection and aesthetic appeal. 4. Telescopic Adjustment Enjoy a secure and fit with the telescopic adjustment feature, which has passed rigorous durability testing. The sturdy yet flexible design ensures the ear protectors stay in place even during active use. With over ten thousand reliability tests, you can trust these ear muffs to perform well under tough conditions.