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SKU:
1. Automatic noise reduction, to avoid sudden loud damage to the ears;
2. Rechargeable design, l...
SKU:
"1. 8 channel WDRC digital hearing processor
2. Adaptive Feedback Cancellation (AFC)
3. 1-Mic 7...
SKU:
1.16 channel WDRC digital hearing processor
2. Adaptive Feedback Cancellation (AFC)
3. 1-Mic 7-...
SKU:
1. High signal-to-noise ratio; noise floor 10db±3db
2. One-button operation, easier to use;
3. ...