Deep Ear Canal CIC Charging-free Hearing Aids For Middle-aged And Elderly People $ 16.93 Product information: Material: Battery Specifications: Skin tone Model: GM-904 Health Products Product Name: Auxiliary Hearing Device Maximum saturated sound pressure level: 115+3 High frequency average: 106 soil 4 Full range sound gain: 325 Frequency response range: 300Hz-4500Hz Equivalent input noise level: 29dB+3dB Total harmonic distortion: 7%+3% packing list: Plastic hearing aid x1
