LEWWB Hearing Sound Amplifier, Invisible Behind Ear,Noise Reduction, Digital aid Sound Amplifier
Description
- Simple operation, one-click Switch, one-click volume adjustment, Easy to get started.
- Ergonomically designed to fit the ear canal. Mini design.
- Small and comfortable, stylish and private. Earplugs using medical grade silicone, clean, safe.
- Soft and comfortable.
- The use of digital noise reduction technology, can effectively reduce the murmur in daily life. Protect your hearing.
Simple operation, one-click Switch, one-click Music adjustment, easy to get started.Ergonomically designed to fit the ear canal. Mini design.Small and comfortable, stylish and private. Earplugs using medical grade silicone, clean, safe.Soft and comfortable. The use of digital noise reduction technology, can effectively reduce the murmur in daily life.Protect your hearing. Power supply: D.C.1.3V.Has the relative error of +5%-10%,.Max Ospl (DB): ≤128+3High frequency average ospl:106±4Full sound gain average: 28±5Frequency Response Range: 300HZ-4000HZEquivalent input noise level: ≤29DB+3DBTotal Harmonic Distortion: ≤7%+3%Rated power supply current consumption: ≤5mA
Common Questions
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