Specification:
Item Type: Hearing Aid
Material: ABS
Power Supply: One LR754H Battery (Not Included)
Maximum Sound Output: 1305dB
Maximum Sound Gain: 50dB
Total Harmonic Distortion: 3%
Frequency Range: 300Hz-4000Hz
Input Noise: 30db
Voltage: 1.5V
Current: 3mA
Instructions:
- Open the box cover and place the battery in the correct direction. Zinc-air battery is the best choice for 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 sound, 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, presenting natural original sound, whether at home or on a noisy street, all sounds can be heard clearly 2Low power consumption, low distortion, 1305dB sound output, 3% total harmonic distortion, provide you with high quality sound. 3Body design accords with ergonomics, compact and beautiful, comfortable to wear, no addtional burden for you. 4The earplugs are made of foodgrade silicone, easy to remove and wear, skinfriendly and environmentally friendly, and does not hurt the ears. 5Allows you to enjoy clearer conversations immediately, helps you hear sounds of nature.
Package List:
1 x Hearing Aid
4 x Earplugs
1 x English Manual
