Sound Protection. Tune in to your favorite music while tuning out harmful noise with the Peltor Digital Worktunes headphones. The earmuff-style hearing protectors have a noise reduction rating (NRR) of 26. Wearers can use the digital AM/FM tuner or connect to an MP3 player. A built-in noise-limiting circuit keeps the sound inside the ear cups from exceeding 82 decibels to prevent hearing damage from the headphones themselves. A set costs $60. 3M, 800/225-9038.

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