Specification:
Item Type: Hearing Aid Earphones
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. LR44H 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 cannot be inserted tightly, please replace the earplugs of other sizes.
Features:
1The sound quality is clear, low power consumption, low distortion, and natural original sound. 2This hearing aid can hear all sounds clearly whether at home or on a noisy street. 3The body design is ergonomic, compact and beautiful, and wears no weight. 4The earplugs are made of food-grade silica gel, which is easy to remove and wear. 5This 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
