Deskripsi

3. Spesifikasi

-Pocket Hearing aid

-Max Sound Output: 129 +/-4 dB

-Max Sound Gain: 58dB +/-5dB

-Harmonic Wave Distortion: f 1000Hz 15%,f1000Hz10%

-Frequency Range: 450~3500hz

-Input Noise: 30 dB

-Battery: 1 x AAA battery (included)

-Working Voltage: dc1.5V

-Working Current: 4mA

-Item Size: 6.1 x 4.1 x 1.6cm

-Package Size: 18 x 9.8 x 3.8cm

-Net Weight: 60g

Package included:

1 x V-99 Hearing aid

4 x Earplug (different sizes)

1 x Carrying Box

1 x User manual

1 x Baterai AAA

Note:

-Adjust volume to the minimum before wearing.

-Choo100se 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.