Specification:
Item Type: Hearing Aids
Material: ABS
Power Supply: 1 x LR44H battery (not included)
Maximum Sound Output: 1305dB
Maximum Sound Gain: 50dB
Total Harmonic Distortion: 5%
Frequency Range: 300Hz-4000Hz
Input Noise: 30db
Voltage: 1.5v
Current: 4mA
Instructions:
- Open the box cover and place the battery in the correct direction. Zinc-air battery is the best choice, long life, please make sure the battery box is closed before use.
- 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).
- Turn on the power and adjust the volume to get a clear sound.
- If you hear a whistle, please check whether the earplugs are plugged tightly. If it cant be inserted tightly, please replace the earplugs of other sizes.
Features:
1Clear sound quality, low power consumption, low distortion, can be used at home or on noisy streets. 2The body design is ergonomic, compact and beautiful, wears without weight bearing, which is more comfortable. 3Foodgrade silicone earplugs, easy to take off and wear, skinfriendly and encofriendly, no harm to ears. 4Effectively help people with hearing impairment to hear sound and voice, which has stable and reliable performance. 5Features 50dB maximum sound gain, 30db low input noise and 5% total harmonic distortion, dependable to use.
Package List:
1 x Hearing Aid
2 x Earplugs
1 x English Manual
1 x Accessories
