Reference Title: Noise Reduction Cancelling Folding Adjustable Headband Earmuffs Hearing Protection Safety Over-Ear Muffs Sound Insulation Description: EM5002B isolation earmuff helps to reduce exposure to loud sounds produced during recreational activities, such as snowmobiling, or sporting events, and when using power tools and equipment such as drills, hand sanders, lawn mowers, garden tractors, and gas-powered leaf blowers/trimmers. This product is also an ideal noise isolation for study, traveling and game etc., which has a great effect on protecting your hearing and creating a quiet environment for you. Wear this earmuff, feeling the a world of difference. Features: 100% brand new and high quality. 1. HIGH PERFORMANCE TECHNOLOGY: - The double cup shell is made from ABS material, which is sturdy, durable and anti-shock. - The structure of the cups from inside to outside is composed of 5 adhesive layers, enhancing protection for your hearing and reduce exposure to noisy surroundings. - The first exclusive acoustic foam, sound block solid cup; The second exclusive acoustic foam, isolate outer shell and comfortable imitation layer. 2. EXCLUSIVE ACOUSTIC FOAM: Adopt excellent acoustic foam to fill in the cup, effectively absorb noise so as to reduce noise thanks to the intensive holes on it, thus giving a better effect than other ordinary sponge. 3. ADJUSTABLE HEADBAND: - The adjustable headband makes it one size fits all. - The headband is made from double-layer PU material, the inside against your head is wave shape cushion, which release the pressure on your head, you will feel soft and cozy even wear the earmuff for a long time. 4. COMFORTABLE CUSHION: - The ear cushion employs imitation leather, with special latex sponge inside, bringing you more snug, more comfortable and fully enclosing your ears. - The NRR(Noise Reduction Rating) is up to 30. 5. ROTATING DESIGN OF CUPS: - The design of rotating cups can be easily worn with face shields and respirators. - Can isolate any loud sound such as industries include farming, building construction, lumbering, steel, forestry, metal fabrication and transportation, heavy construction etc. How to wear this earmuff: 1. Pull the cups outward and over head, make sure the cushions fully enclose the ears and seal tightly against the head. 2. Place the earmuff on the head with the band at the crown (top) of the head. 3. It is important that the cups fully enclose the ears and that the cushions exert equal pressure around the ears. 4. Adjust the height of both cups for comfort and a good sealdo this by sliding the cup up or down while holding the headband in place. Specifications: Item Type: Over-Ear Earmuffs Model: EM-5002B Wearing Style: Foldable Headband Material: ABS+ Nylon + Stainless Steel Color: Black + Red Size: Free size (one size fits all) Noise reduction: 35dB Quantity: 1 PC (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 X Noise Insulation Earmuffs (No retail package)