Mini in Ear Hearing Aids Invisible A10 Battery Sound Amplifier for

Features:

1.Max sound output: 110±3dB

2.Sound gain: ≥26±5dB

3.Total harmonic wave distortion: ≤7%

4.Frequency range: 400-4500MHz

5.Input Noise: ≤32dB

6.Voltage:

7.Current: ≤2mA

8.Battery: A10/e10

List:

1 x Host

3 x Earplugs

1 x Three-in-one brush

1 x Manual

1 x Volume adjustment bar

1 x A10 Button battery