With peltor radio ear defenders, you can protect your hearing effectively and listen to the radio or your mp3 player at the same time. This is a great piece of kit for those that spend long periods in a workshop or factory, operate noisy machinery, drive a tractor or ride-on lawnmower, or pursue noisy leisure activities.ear defenders consist of rigid cups with soft plastic cushions that seal around the ears to reduce noise. Comfortable and easy to use, they are a popular choice of hearing protection and are suitable both for short tasks and for longer term wear. The wide sealing cushions are filled with a unique combination of fluid and foam, which gives optimum sealing without putting too much pressure at the point of contact with the user"s head. The ear cups are low profile but have generous space inside: this allows the ears to "breathe" and means that the ear defenders can be worn comfortably for longer. Peltor fm-radio ear defenders incorporate a fm radio with superior audio performance.this pack contains one pair of wine red peltor fm-radio ear defenders on a black headband. The headband is adjustable in order to achieve a good seal and comfortable fit for each user. Attenuation: 32db snr.peltor is a trademark of 3m company.