ITEM NAME:Digital Tone Voice Hearing Aids Behind The Ear Hearing Amplifier for Elder #gib Store Home Promotion Hot Item Add to Fav.Harmonic distortion: ≤ 5%. 1 X Hearing Amplifier Set with Box. Strong noise reduction function. Exquisite luxuriant appearance. The equivalent input noise: ≤30dB. Maximum sound output: 130 dB ± 5 dB.
