Color:Contractor Yellow The enhanced line of Plugfones offers many upgraded features. Plugfones allow those recreating or working in loud environments to both protect their hearing and listen to audio at a comfortable and safe level. Plugfones now have a new earbud tip that allows for foam and silicone earplugs to be interchanged based on the user’s preference or replaces when the earplugs become dirty or worn out. A perfect gift for those who spend countless hours outdoors, in construction, or travelers these replacement earplugs will allow them to listen to their music for weeks on end with simply removing their old ear plugs and attaching their brand new pair. Set includes both silicone and foam earbuds, an extra long audio cord, standard 3.5mm audio jack, and an embedded audio driver. The range of noise reduction ratings for existing hearing protectors is approximately 0 to 30 (Higher numbers denote greater effectiveness). Noise reduction rating is 25 decibels when used as directed. Plugfones are not manufactured by, endorsed by, affiliated with or supported by 3M Company. CHOCKING HAZARD: Not suitable for children under the age of 3 years old.