Thickened Foldable Sleeping Noise Reduction Earmuffs Labor Protection Earmuffs(Blue)

1. Sound-absorbing cotton + ABS material, durable and practical
2. Not easy to fall off, ergonomic design, stretchable size, suitable for different people
3. The high-density sound-absorbing cotton embedded in the cup greatly reduces noise
4. Soft and delicate, caring, soft and comfortable to wear
5. Made of non-metallic material, comfortable headband, suitable for different head shapes, more comfortable to wear

Instructions for use
1. Stretch the headband across the top of the head and cover the ears with the cup
2. Relax the headband back to its position and adjust the height of the cup until the headband can support the cup and the ears feel comfortable
3. The cushion of the earmuffs should fit the head tightly
4. Adjust the headband to ensure correct tightening and effectively isolate noise

Warm Tips
1. Any earmuffs are not completely soundproof products, mainly used to reduce harmful noise
2. There are safety hazards in the state of complete soundproofing. For this reason, people's normal speaking voices can still be faintly heard after wearing earplugs