Equivalent Input Noise (dB):25dB. Device SizeIn the Ear (ITE). FeaturesReplaceable Battery. Sound ProcessingDigital. 1X Charging Case. Modified ItemNo. Frequency range(Hz):300-3500Hz. Current: <1.5mA.
1Pair Invisible Hearing Aids Digital Sound Amplifier Enhancer With Battery
1Pair Invisible Hearing Aids Digital Sound Amplifier Enhancer With Battery ！
1Pc/1Pair Hearing Aids In-Ear Invisible Digital Enhancer Voice Sound Amplifier
