Best Hearing Aids Amplifier Adjustable Aid Digital Tone Behind Ear Sound

Description

Specifications:Harmonic Wave Distortion:≤ 5%Frequency response Range: 450--- 3500 HzInput Noise: ≤ 30 dBBattery Type: button cell battery (included)Package Included:1 x In-Ear Hearing Aid3 x Different sized earplugs for optimal fit2 x AG13 batteries1 x User manual