Specification AgeRangeDescription : adult BatteriesRequired : 1 Brand : ZIZEV BulletPoint1 : Ergonomic Design: Designed ergonomically, these ear muffs come with a soft padding that alleviates pressure on the head, providing excellent comfort. BulletPoint2 : Firm and Reliable: The hat like design facilitates use with hard hats with fitting slots. Insert the earmuff mounting adapter into the slot on either side of the helmet at an oblique angle until it snaps into place. BulletPoint3 : Protective Function: Superior level of hearing , the helmet attachable ear muff effectively helps in reducing exposure to harmful noise, ensuring and acoustic sealing. BulletPoint4 : Lightweight and Breathable: Helmet ear muff ensures breathability, and provides a tight sound insulation sealing, ideal for users wearing it for extended periods. BulletPoint5 : Versatile Use: The helmet sound blocking ear muff is highly practical for various industrial, manufacturing, maintenance, construction, oil and gas, forestry, shipbuilding and mining applications, etc. BulletPoint6 : WHY ITS A MUST HAVE - Powered by two AAA batteries (not included), these Bluetooth earmuffs are designed to deliver dependable performance throughout your day. Crafted with premium, durable materials, they ensure resilience in demanding environments like construction sites, shooting ranges, and industrial settings. CareInstructions : Wipe Clean with Dry Cloth Color : Default Department : Unisex Adult FabricType : ABS ImportDesignation : Imported ItemName : ZIZEV Helmet Attachable Ear Muff, Ergonomic Design Hearing Sealing Lightweight Helmet Sound Blocking Ear Muff Soft for ItemPackageDimensions_Height : 11 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : safety-earmuffs Manufacturer : ZIZEV Material : ABS ModelName : Zizeve1owy4sbnk ModelNumber : ZIZEVe1owy4sbnk NoiseAttenuation : 22.0 decibels NoiseControl : sound_isolation NumberOfItems : 1 NumberOfPieces : 2 PartNumber : ZIZEVe1owy4sbnk Pattern : Solid ProductDescription : 1. Protective Function: Superior level of hearing , the helmet attachable ear muff effectively helps in reducing exposure to harmful noise, ensuring and acoustic sealing. 2. Ergonomic Design: Designed ergonomically, these ear muffs come with a soft padding that alleviates pressure on the head, providing excellent comfort. 3. Lightweight and Breathable: Helmet ear muff ensures breathability, and provides a tight sound insulation sealing, ideal for users wearing it for extended periods. 4. Versatile Use: The helmet sound blocking ear muff is highly practical for various industrial, manufacturing, maintenance, construction, oil and gas, forestry, shipbuilding and mining applications, etc. 5. Firm and Reliable: The hat like design facilitates use with hard hats with fitting slots. Insert the earmuff mounting adapter into the slot on either side of the helmet at an oblique angle until it snaps into place.