Noise-canceling headphones with noise reduction, ergonomic foldable headband, sound blocking, 27dB, for industrial schools

Features:1. Excellent Noise Reduction: Constructed with a durable ABS outer shell and thick foam padding, these noise-canceling headphones achieve a Noise Reduction Rating (NRR) of 27 dB, effectively minimizing the risks associated with high decibel noise.
2. Adjustable and Ergonomic Design: With a flexible and ergonomic headband, as well as 360-degree rotating earcups, these sound-blocking headphones can be easily adjusted using the metal brackets to fit most sizes from children to adults.
3. Versatile Use: Suitable for a wide range of environments and activities, including lawn care, flying, construction, sporting events, studying, factory work, and woodworking.In addition, they are excellent for those who operate heavy machinery and for children who enjoy activities like fireworks and truck shows.
4.Comfortable: The noise-reducing safety ear muff is equipped with a soft-padded headband that reduces pressure on the head, providing excellent comfort during extended wear.The spacious interior of the ears ensures good breathability.
5.Compact and portable design: With a foldable and compact design, this noise-reducing muff is easy to store and carry, fitting easily into most bags or backpacks. Their lightweight construction makes them suitable for use.
Specifications:Item Type: Noise Reduction Ear Muff
Material: ABS Shell
Noise Reduction: 27 dB

How to Use:1. Stretch the headband to its maximum "open" position and place it on top of your head, with the cups covering your ears. 2. Loosen the headband in position, adjust the height of the cups until the headband can support them and your ears feel comfortable; the ear cushions should fit snugly around your head. 3.Adjust the headband for a proper fit, effectively blocking out noise.
Package List: 1 x Noise Reduction Ear Muff
Note:Ear Cushion Care and Cleaning
1.The ear cushions can only be cleaned on the surface. It is recommended to use neutral soap and lukewarm water; do not soak them in water.
2.Do not use solvents such as alcohol and acetone, or products containing lanolin, to clean the ear cushions.
3. Do not store the product in environments with temperatures exceeding 130 degrees Fahrenheit (55 degrees Celsius), such as behind car windshields or near windows.
4. Regularly check the ear cushions for cracked or damaged parts, especially the sealing pads, and replace them if necessary. This ensures stable noise reduction, easy cleaning, and comfort.5.If you feel any tightness, we suggest placing the earbuds on a box or other object for 1 to 2 days to stretch the headband and loosen it.