User's Manual

13
 Warning - Do not leave the lter in the closed position when not in use, it will cause damage the Noise Reduction Filter.
Adjustable Noise Reduction Hearing Protection
Rotate the Noise Reduction Filter to your desired level of noise reduction. You Tune Earplugs allows you to
adjust the amount of sound entering the ear canal without removing the device. Rotate the Noise Reduction
Filter to your desired level of noise reduction.
0 dB 8 dB 16 dB 24 dB NRR
Noise Reduction