Hearing Aid Earphones Wireless Digital Elderly Improve Listening Sound Amplifier Earbuds

Item Type: Hearing Aid Earphones
Material: ABS
Power Supply: 1 x LR44H battery (not included)
Maximum Sound Output: 130±5dB
Maximum Sound Gain: 50dB
Total Harmonic Distortion: 5%
Frequency Range: 300Hz-4000Hz
Input Noise: 30db
Voltage: 1.5v
Current: 4mA
Instructions:
1. Open the box cover and place the battery in the correct direction. LR44H battery is the best choice, long life, please make sure the battery box is closed before use.
2. Put the ear hook on your ear and plug the earplugs tightly. (Note: The unit is in the "off" position. The volume is adjusted to 1. Otherwise, the instant sound will make you uncomfortable).
3. Turn on the power and adjust the volume to get a clear sound.
4. If you hear a whistle, please check whether the earplugs are plugged tightly. If it cannot be inserted tightly, please replace the earplugs of other sizes.

Features

1、The sound quality is clear, low power consumption, low distortion, and natural original sound.
2、This hearing aid can hear all sounds clearly whether at home or on a noisy street.
3、The body design is ergonomic, compact and beautiful, and wears no weight.
4、The earplugs are made of food-grade silica gel, which is easy to remove and wear.
5、This elderly hearing aid is skin-friendly and environmentally friendly and does not hurt ears.

Package List

1 x Hearing Aid Earphone

2 x Earplugs

1 x English Manual