Cheap price Pocket hearing aids mini audifonos for eldly battery hearing aids

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Specifications: Pocket Hearing aid Max Sound Output: 129±4 dB Max Sound Gain: 55dB ± 5dB Harmonic Wave Distortion: ≤5% Frequency Range: 450~3500 hz Input Noise: ≤30 dB Battery: 1 x AA battery (NOT included) Working Voltage: dc1.5V Working Current: ≤4mA Color: As the picture shows Item Size: 7.0 x 4.2 x 1.8cm Package Size: 8.2 x 12.5 x 4cm Net Weight: 28g Package included: 1 x X-136 Hearing aid 2 x Earplug (different sizes) 1 x User manual Note: Adjust volume to the minimum before wearing. Choose an earplug of slightly bigger size to avoid whistler. Increase volume gradually to avoid sudden increase in sound. If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage. Keep the ear plug clean Remove the battery if you don't use it for long time.