Digital FM Radio Headphones Noise Reduction Ear Protector for Construction 30dB

Feature: 【FM Radio Headphones】 【Multi-functional Earmuffs】 【Adjustable & Durable】 【Power】 【Mowing and Industrial Protection Ear Muffs】 Specification: Conditon: 100% Brand New Item Type: Anti‑Noise Earmuffs Material: ABS Plastic Color: Black + YellowBattery: 3Pcs AAA Battery (Not Included) Finish Treatment: Spray Rubber Oil Noise Reduction Level (NRR): 30 dB Usage: Passive Protection Average Battery Life: Approx. 350 Hours Package List: 1 x Electronic Noise Reduction Earmuff 1 x Audio Cable 1 x Manual.