Digital Hearing Aid Aids Kit Behind the Ear BTE Sound Voice Amplifier NEW
【Adjustable Amplify Mode】 4 Different Amplify Frequency Adjustable. Input Noise: ≤32dB. Max sound output:118±4dB. Sound gain: ≥32dB±2dB. 1 x English instruction manual. Current: ≤2mA. 【Easy To Use】 Easy to Operate For Seniors.