ITEM NAME:1PC Mini invisible Hearing Aid Digital Hearing Sound Voice Amplifier In-Ear NEW Description&Preview.The product uses hearing aids. Low noise, low distortion;. Input noise: ≠¤40dB. Maximum sound output: 110 ±5dB. Sound gain: ≠¥30dB. 1 x instruction manual. Current: ≠¤4mA. You can follow below process to chontact us.
