hearing aid for the elderly xm-909f sound amplifier ear-back hearing amplifier portable mini portable sound collector

1. Maximum output: 128 ± 5 dB.

2, Maximum Voice Gain: 40 ± 5 dB

Harmonic Distortion: ≤ 10% (1000Hz)

Frequency Range: 300-4500Hz

5. Battery Voltage: DC 1.5V

6、Directionality: Omnidirectional

Product color: beige

Machine weight: 11 grams

Machine and packaging weight: 80 grams

Features:

• Ultra-mini size and lightweight, adjust the volume to the lowest before wearing.

• Gradually increase the volume to avoid a sudden increase in sound

Packing includes:

1 hearing amplifier

2 x AG13 button cell batteries

3 ear caps

1 x Manual