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Rechargeable Dolphin USB Hearing Aid Behind the Ear Sound Amplifier Elderly Noise Cancelling Deaf Care

Rechargeable Dolphin USB Hearing Aid Behind the Ear Sound Amplifier Elderly Noise Cancelling Deaf Care

$11.72 USD
$17.58 USD $11.72 USD
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1.Max sound output:118±4dB

2.Sound gain: ≥32dB±2dB

3.Total harmonic wave distortion: ≤7%

4.Frequency range:300-3800MHz

5.Input Noise:≤32dB

6.Voltage:d.c.3.7V

7.Current:≤2mA

8. Full charging about 3 hours

9. Normal working about 45 hours


List:

1 x Host

1 x USB cable

5 x Earplugs

1 x Brush

1 x English manual

1 x Shockproof box


Features:



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