K-88 Hearing Aids Rechargeable Mini Hearing Aid Sound Amplifier Invisible Hear Clear For Elderly Deaf U.S. Plug

- The hearing aid has its own charging function, no need to replace the battery, the hearing aid combines the beautiful appearance with the smooth sound of the built-in speaker.

- Filter out the airflow or wind Unwanted noise caused by it provides instant, powerful and smooth sound for your ears.

- Moisture resistance provides durability for most forms of moisture and wear.

- In-ear hearing aids It also provides improved technology to reduce electromagnetic interference.

Description:
Name: Hearing Aid
Maximum saturation sound pressure: 129dB ± 4dB;
Maximum file acoustic gain: 48dB ± 5dB;
Harmonic distortion: ≤ 18% (450 F ≤ 5000);
Frequency response: 450-3000Hz;
Equivalent input noise: ≤ 30dB;
Battery type: lithium ion battery;
Working voltage: 0.2±0.1V;
Working current: ≤4mA;
Features:
1. The digital processing of the hearing aid channel allows the user to adjust the volume and program.
2. The wire is separated from the earphones, which is more convenient and safer.
3. Hearing aids are suitable for people with severe hearing loss.
4. Smaller than credit cards, affordable hearing aids are sufficiently discreet and can be easily put in a pocket or handbag;
Packing list:
1 x Hearing Aid
1 x Carrying Bag
1 x Power Charger
4 x Earbuds
1 x User Instruction Brochure 
Note: 1. Turn the volume to the minimum before wearing. 2. Choose a slightly larger earplug to avoid whistling. 3. Increase the volume gradually to avoid a sudden increase in the sound. 4. If you hear howling, check whether the ear (silica gel) is suitable, whether the size of the plug is tight, choose the correct ear plug and connection to ensure that there is no air leakage. 5. Keep the earplugs clean;