3M Disposable Earplugs Events & Concerts, 4 Pairs (8 Total Plugs), Noise Reduction Rating (NRR) 32 dB, Good Fit, Stays Put, Soft & Smooth Ear Plug Design, Easy To Insert & Remove (EPEC-4BC-SIOC) AKOSN [Wide Applications] You can cover

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no wiring needed: operates on a 10-year lithium battery

3M Disposable Earplugs Events & Concerts, 4 Pairs (8 Total Plugs), Noise Reduction Rating (NRR) 32 dB, Good Fit, Stays Put, Soft & Smooth Ear Plug Design, Easy To Insert & Remove (EPEC-4BC-SIOC) AKOSN [Wide Applications] You can coverAbout this item GREAT FOR STADIUM EVENTS, concerts, and fireworks PLIABLE DESIGN slowly expands, conforming to your ear canal to help block out hazardous noise SOFT, SMOOTH DESIGN enhances comfort for longer wear EASY TO INSERT and remove EXPANDS SLOWLY to fit a wide range of ear canal sizes DISPOSABLE DESIGN Noise Reduction Rating (NRR) 32 dB* Multiple colors Package contents: 4 pairs per pack *CAUTION: 3M strongly recommends fit testing of hearing