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 In-Ear Invisible Sound Voice Amplifier Rechargeable
Mini 1Pair Invisible Hearing Aids Digital Sound Amplifier Enhancer With Battery
1Pair Invisible Hearing Aids Digital Sound Amplifier Enhancer With Battery
1Pair Invisible Hearing Aids Digital Sound Amplifier Enhancer With Battery ！
1Pair Invisible Hearing Aids MiNi Digital Sound Amplifier Enhancer With Battery
