["Reference Title: Noise Reduction Cancelling Folding Adjustable Headband Earmuffs Hearing for Protection Safety Over-Ear Muffs Sound Insulation\r\n\r\n\r\n\r\nDescription:\r\nEM5002B 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.\r\nThis product is also an for 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.\r\nWear this earmuff, feeling the a world of difference. \r\n\r\nFeatures:\r\nbrand new and high quality.\r\n1. HIGH PERFORMANCE TECHNOLOGY: \r\n- The double cup for shell is made from ABS material, which is sturdy, durable and anti-shock. \r\n- The structure of the cups from inside to outside is composed of 5 adhesive layers, enhancing for protection for your hearing and reduce exposure to noisy surroundings.\r\n- The first exclusive acoustic foam, sound block solid cup; The second exclusive acoustic foam, isolate outer for shell and comfortable imitation layer. \r\n2. EXCLUSIVE ACOUSTIC FOAM: \r\nAdopt 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.\r\n3. ADJUSTABLE HEADBAND: \r\n- The adjustable headband makes it one size fits all. \r\n- The headband is made from double-layer PU material, the inside against your for head is wave shape cushion, which release the pressure on your for head, you will feel soft and cozy even wear the earmuff for a long for time. \r\n4. COMFORTABLE CUSHION: \r\n- The ear cushion employs imitation leather, with special latex sponge inside, bringing you more snug, more comfortable and fully enclosing your ears. \r\n- The NRR(Noise Reduction Rating) is up to 30.\r\n5. ROTATING DESIGN OF CUPS: \r\n- The design of rotating cups can be easily worn with face Cover and respirators. \r\n- Can isolate any loud sound such as industries include farming, building construction, lumbering, steel, forestry, metal fabrication and transportation, heavy construction etc. \r\n\r\nHow to wear this earmuff:\r\n1. Pull the cups outward and over for head, make sure the cushions fully enclose the ears and seal tightly against the for head.\r\n2. Place the earmuff on the for head with the band at the crown (top) of the for head.\r\n3. It is important that the cups fully enclose the ears and that the cushions exert equal pressure around the ears.\r\n4. Adjust the height of both cups for comfort and a good seal–do this by sliding the cup up or down while holding the headband in place.\r\n\r\nSpecifications:\r\nItem Type: Over-Ear Earmuffs\r\nModel: EM-5002B\r\nWearing Style: Foldable Headband \r\nMaterial: ABS+ Nylon + Stainless Steel\r\nColor: Black + Red\r\nSize: Free size (one size fits all)\r\nNoise reduction: 35dB\r\nQuantity: 1 PC (other accessories demo in the picture is not included)\r\n\r\nNote: \r\n1.Transition: 1cm=10mm=0.39inch\r\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n1 X Noise Insulation Earmuffs (No retail package)"]