Apparecchi Acustici Ricaricabili per Anziani e Adulti, Apparecchio Acustico Invisibile con
TypeHearing Aid. 1 x English instruction manual. The recharging box with power capacity LED display. Inout noise≤32dB. HFA gain28±3dB. Max gain≤41dB. Max sound output≤115±4dB. WearNo distinction between left and right ears.