Rack-A-Tiers' Plugfone

Rack-A-Tiers' headphone/earplugs
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Rack-A-Tiers' Plugfones combine noise-reducing earplugs with audio speakers. Users can hear outside low-level noises while listening to music, audiobooks, etc. They are available in a nonrestrictive version, or a version that keeps volume at or below 82 dB per OSHA standards, with earplugs that certify the ANSI noise reduction standard up to 30 dB.