3M™ Earplugs 1100 Series Corded - 500 Pairs Category_Best4Headsets/Wired Binaural 3.5mm Headsets 38 Sub-channels

38 Sub-channels

Protects against sudden and sustained loud noises

PC/Desk phone via USB-A

40 and 80 Series

Duo (Two Ears)

3M™ Earplugs 1100 Series Corded - 500 Pairs Category_Best4Headsets/Wired Binaural 3.5mm Headsets 38 Sub-channelsKey Features SNR 35 dB Higher value of HML data provides better attenuation at low frequencies (< 500Hz) Slow recovery foam helps make the insertion easier Soft pliable foam conforms to the shape of your ear canal for better comfort and all day wearability Designed with a tapered shape Compatible with the 3M E A Rfit Dual Ear Validation System What's in the box 3M Earplugs 1100 Series Corded (500 Pairs)