Hearing Aid Amplifier Axon F-28 Portable Pocket Wear Environmental Friendly Material Hanging Ear Type Ear Care Deaf-Aid
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Name: Heaing aid
Specifications: 6.75x4.35x1.9cm
Material Quality: ABS
Mode: Hanging ear type
Number: 1Pcs
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Specifications: Pocket Hearing aid Max Sound Output: 129±4 dB Max Sound Gain: 60dB ± 5dB Harmonic Wave Distortion: ≤5% Frequency Range: 250~3800 hz Input Noise: ≤30 dB Battery: 1 x AA battery (Without Battery)
Working Voltage: dc1.5V Working Current: ≤4mA Color: As the picture shows Item Size: 6.75 x 4.35 x 1.9cm Package Size: 12 x 8.5 x 3.3cm Net Weight: 29g
Package included: 1 x F-28 Hearing aid 4 x Earplug (different sizes) 1 x Screwdriver 1 x Box 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.
