NEW! Weanas Mini Tone Deafing Hearing Sound Amplifier Enhancer Adjustable Behind in Ear Catching Getting Higher Voice
Feature:Suitable for: Those with conductive hearing impairmentMax Saturated Sound Pressure: 128dB+5dBFull scale sound gain: ≥30dBHarmonic Wave Distortion:    When F<100Hz, ≤ 15%    When F>100Hz, ≤ 10%Frequency response Range: 450--- 4000 HzInput Noise: ≤ 40 dBWorking Current : <10.8mABattery Type: AG13(L1154) button cell battery (Included)Color: BeigePackage Content:1* Ear sound amplifier(The ear in the picture NOT included)3* Earplug of different size2* Batteries1* instruction manual (English )1* Protective case