ITEM NAME:Mini digital hearing aid adjustable tone sound amplifier AXON F-16 hearing G_ Specifications: Pocket Hearing aid Max Sound Output: 129 ±5 dB Max Sound Gain: 55dB ± 5dB Harmonic Wave Distortion: ≤5% Frequency Range: 450~3500 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: 6.6 x 4.3 x 1.6cm Package Size: 8.5 x 12 x 3.3cm Package included: 1 x F-16 Hearing aid 4 x Earplug (different sizes) 1 x User manual 1 x Box 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..Pocket Hearing aid. 1 x F-16 Hearing aid. Harmonic Wave Distortion: ≤5%. 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.
