Inner Ear Invisible Digital Noise Reduction Hear Device USB Rechargeable ITE Hearing Aids For The Deaf Automatic Feedback Compression DFS System , Monitor Whistle Frequency Pont and Instant Remove it . Good for Take Mobile Phone Intelligent Noise Reduction System , Detect and Recognize the Noise Wave, Change the Gain of the Channel Where the Noise is Located, Make Normal Speed More Clearly Ultra-Low Machine Itself Background Noise , and Ultralight Weight Body You Don't Even Feel Wearing It Trimmer VC : Adjust Volume Control to Adaptive Different Environment ,6 Earplugs -- 2 Type and Full 3 Size Earplugs Make it More Fit and Comfortable to Ear Canal Comfort Threshold Control ; Automatic Gain Control-Output for Hearing Protection, No Need to Suffer from Sudden Loud Noise Anymore Material: Medical Resin Size: 1.8*1.2cm Channels : 4 Independent Compression-Amplification Channels Band : 8 Independent Adjustable Bands Fitting range : ≤ 85dB Battery Model : Rechargeable Volume Control : Knob Color : Red for Right Ear ,Blue for Left Ear Package 2 x Hearing Amplifier 2 x Set Earplugs 1 x Cleaning Brush 2 x Earwax Guard 1 x Manuel

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