•Contoured bell shape is easy to insert •Contoured design easier to insert, resists tendency to back-out of ear canal •Polyurethane foam enhances comfort, especially for long-term wear •Smooth, soil-resistant closed cell-foam skin prevents dirt build-up Red/White/Blue (NRR) 33 dB, Corded
•Contoured bell shape is easy to insert •Contoured design easier to insert, resists tendency to back-out of ear canal •Polyurethane foam enhances comfort, especially for long-term wear •Smooth, soil-resistant closed cell-foam skin prevents dirt build-up Red/White/Blue (NRR) 33 dB, Corded