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Layered Noise Reduction
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Low-frequency noise adjustment(H-tri) Fine-tuned Ear Production(P-tri)
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Automatically Saving volume & mode
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Three program modes
-
Mode switch prompt tone
-
Volume change the prompt tone
-
Low battery warning indicator
Layered Noise Reduction
Low-frequency noise adjustment(H-tri) Fine-tuned Ear Production(P-tri)
Automatically Saving volume & mode
Three program modes
Mode switch prompt tone
Volume change the prompt tone
Low battery warning indicator