Specification:
- Max sound output: 130±5dB
- Sound gain: ≥50dB
- Total harmonic wave distortion: ≤5%
- Frequency range: 300~4000Hz
- Input noise: ≤30dB
- Voltage: DC 1.5V
- Current: ≤4mA
Usage
Open the cartridge cover, put the battery in correct position. Zine Air battery is the best choice and has longer life.
- Before using, make sure that power is turned off, or make the volume to ?l?.
- Put the ear hook on your ear, plug in the ear tightly.
Note: The unit is on ?off? position, and volume is on ?l?, otherwise the instant sound will make you uncomfortable.
- Turn the power, and adjust the sound volume to get clear sound,
- If you hear the whistling sound, please check whether you have plugged in the ear plug tightly. If it can?t be plugged tightly, please change the other size plug.
Specifications:
Dimensions:9.00 cm x 7.00 cm x 3.00 cm
Weight:126 g
Pack including:
1 x New V-163 Hearing Aid
