Specification AgeRangeDescription : Adult BatteriesIncluded : 1 Brand : ZJchao BulletPoint1 : [Superior Noise Blocking] Crafted with a sturdy abs shell and thick noise-reducing sponge, boasting a high nrr rating of 31db for excellent noise isolation. BulletPoint2 : [ Comfort] Features a soft padded headband that reduces pressure on the head, ensuring exceptional comfort during extended use. BulletPoint3 : [Spacious & Breathable] Designed with a roomy interior for breathability, while the soft imitation leather ensures a snug fit for maximum noise isolation. BulletPoint4 : [Portable Folding Design] Conveniently folds for easy storage and carrying, making it for travel or daily use on-the-. BulletPoint5 : [Versatile Usage] Ideal for various activities such as studying, woodworking, sports events, or operating heavy machinery. a must-have for noise-sensitive environments. BulletPoint6 : 【Never Worry About Power-off Again】 Our Bluetooth Earmuff Headphones(low/medium/high) feature smart voice prompts for battery levels, eliminating the anxiety of sudden power loss and embracing uninterrupted listening. Elevate your audio experience today. CareInstructions : Dry Clean Only Color : Purple Department : Unisex Adult FabricType : ABS Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryInEquipment Hazmat11 : EG_SmallLithiumIonBatteryInEquipment Hazmat12 : ES_SmallLithiumIonBatteryInEquipment Hazmat13 : FR_SmallLithiumIonBatteryInEquipment Hazmat14 : GB_SmallLithiumIonBatteryInEquipment Hazmat15 : IE_SmallLithiumIonBatteryInEquipment Hazmat16 : IN_SmallLithiumIonBatteryInEquipment Hazmat17 : IT_SmallLithiumIonBatteryInEquipment Hazmat18 : JP_SmallLithiumIonBatteryInEquipment Hazmat19 : MX_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryInEquipment Hazmat21 : PL_SmallLithiumIonBatteryInEquipment Hazmat22 : SA_SmallLithiumIonBatteryInEquipment Hazmat23 : SE_SmallLithiumIonBatteryInEquipment Hazmat24 : SG_SmallLithiumIonBatteryInEquipment Hazmat25 : TR_SmallLithiumIonBatteryInEquipment Hazmat26 : US_SmallLithiumIonBatteryInEquipment Hazmat27 : ZA_SmallLithiumIonBatteryInEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryInEquipment Hazmat5 : AU_SmallLithiumIonBatteryInEquipment Hazmat6 : BE_SmallLithiumIonBatteryInEquipment Hazmat7 : BR_SmallLithiumIonBatteryInEquipment Hazmat8 : CA_SmallLithiumIonBatteryInEquipment Hazmat9 : CN_SmallLithiumIonBatteryInEquipment HeadphonesEarPlacement : on_ear HeadphonesFormFactor : 包耳式 Impedance : 32 ohm ImportDesignation : Imported ItemName : ZJchao Noise Reducing Headphone Sound Insulation Earmuff for Study Work ItemPackageDimensions_Height : 7 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 16 centimeters ItemTypeKeyword : safety-earmuffs Manufacturer : ZJchao Material : Plastic ModelName : Zjchaoxf3h1748r5 ModelNumber : ZJchaoxf3h1748r5 NoiseAttenuation : 30 decibels NoiseControl : sound_isolation NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 1 PartNumber : ZJchaoxf3h1748r5 Pattern : Solid ProductDescription : [Superior Noise Blocking] Crafted with a sturdy abs shell and thick noise-reducing sponge, boasting a high nrr rating of 31db for excellent noise isolation. [ Comfort] Features a soft padded headband that reduces pressure on the head, ensuring exceptional comfort during extended use. [Spacious & Breathable] Designed with a roomy interior for breathability, while the soft imitation leather ensures a snug fit for maximum noise isolation. [Portable Folding Design] Conveniently folds for easy storage and carrying, making it for travel or daily use on-the-. [Versatile Usage] Ideal for various activities such as studying, woodworking, sports events, or operating heavy machinery. a must-have for noise-sensitive environments.