Headphones functionality: more than safety ear muffs, they are also headphones, you can enjoy music during downtime via Bluetooth or 3. 5mm audio input (3. 5mm cord is included). No batteries required, The rechargeable battery lasts up to 30 hours after each full charge. The knob allows you to control the volume level with ease (line-in mode only). built-in mic and integrated controls let you make and take phone calls without removing the earmuffs.

Made for lasting comfort: Mpow Noise Reduction ear muffs are extremely well constructed and reasonably comfortable. With soft foam earpads and skin-friendly PU Leather, the ear cups fit snugly around your ears. The cups of these earmuffs are deep and have enough space inside the cups. Weighing only 12. 3 oz. /349 G, The earmuffs are surprisingly light and comfy to wear even during long sessions.

NRR 29dB/SNR 36dB noise reduction: The sound-dampening construction boasts a noise reduction rating of NRR 29dB (SNR 36dB), certified by ANSI S3. 19 (us) and CE en352-1 (EU). Mpow Noise cancelling ear muffs have foam pads that cover and form a seal around the entire ear, The sealed solid ear cups and acoustic foams block out noise from the environment and prevent permanent hearing impairment.

Adjustable headband for a custom fit: designed with telescopic and ergonomic headband, The hearing protection ear muffs fit small as well as large heads. Simply adjust the headband as needed for optimal comfort and weight distribution, minimizing pressure on the head for long-term wear. The over-the-head ear muffs are easy to slip on and take off.

Wide Application: The ear defenders are made for hearing protection and noise cancelling, work great for shooting ranges, yard work, construction sites, loud rock concerts, woodworking, racing, fireworks, distraction-free studying, airports, stadium events, or tuning out the noise in offices. Perfect gift for people who are hypersensitive to noise, and sufferers from misophonia and autism. Coming with a carrying bag for storage and carrying.