Ear Health Personal Sound Amplifier Rechargeable Hearing Aids 909

1. Using low noise microphone, balanced armature loudspeaker and high sound gain integrated amplifier chip to make a clear sound quality.
2. Touch-tone hearing aid, comfortable touching feeling, and easy operation.
3. Built-in rechargeable hearing aid Li-battery for reuse.
4. Beautiful design, small size, and portable.
5. MCU control, charging protection.
6. The multifunctional key, not only used as a power switch but as a volume adjuster.
7. USB charging interface in a hearing aid charging base, very convenient for charging.