ITEM NAME:2 x Invisible Mini In Ear Digital Hearing Aids Sound Amplifier Enhancer 4000Hz # Description Specifications:.2pcs x Hearing Aids. hearing aid sound amplifier, Amplify sounds up to 40 decibels. Input noise: ≠¤40dB. Super mini size and light weight, not easily to be seen,Weight less than 10 grams. Max sound output: 110 ±5dB.
