dB limiter provides safe hearing while listening to your MP3 player. * Patented design combines a triple flange, safety ear bud for an excellent fit and radically reduces noise for an in - ear design that allows you to play only the music * High quality, stereo sound with easy access volume controls. * Use in the yard while mowing and gardening, in the workshop, on the job, in the gym or traveling on a plane to safely isolate background noise. * Ultra comfortable design from the same company who brought you the industry leading WorkTunes