304 North Cardinal
St. Dorchester Center, MA 02124

Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM

FCS Rechargeable K-81 CIC Personal Sound Amplification Product (PSAP) With Charger for Adults & Elders deaf People Suitable For Mild to Moderately Severe Hearing Loss

  • FCS K-81 ITE Rechargeable Hearing Amplifier With Charger Fitting Range 0-80 dB SPL.
  • Charging time: 2 hours , Battery Operating time: 8 hours
  • Max Sound Output: ≤112dB±3dB, Peak Gain (dB): 30dB±5dB
  • Total harmonic wave distortion: ≤ 10%. Frequency range: 450-3500 Hz , Input Noise: 29dB±3dB
  • Hearing Amplifier Suitable for Users with Mild to Moderately Severe hearing loss. (Additional Feature:-Charging Case With Type C cable , Eartips)


FCS Rechargeable K-81 CIC Hearing Aid With Charger, Personal Sound Amplifier for Men & Women Suitable For Mild to Moderately Severe Hearing Loss



1. Power / Vol key

2. In-Ear Tips

3. Charging Base

4. Charging indicator light

5. Charging contact

6. USB Type- C Cable outlet

Thank you very much for buying the hearing aid. When you watch movies, enjoy drama, attend meetings, or have classes, the product can help you to hear the sound clearly and loudly. While in forest, if you want to hear very slight sound, it will be a good choice.

Function Introduction



Take out the hearing aid from the charging case, long press the Power /Vol key, Power will turn on after two “di di” prompt sound Long press Power/Vol again, Power will turn off after two “di di” prompt sound.


Click the power key to adjust volume. Total adjustment range 5 blocks; click once the volume increase 1 level, and each increase accompanied with a prompt sound of “Di” until the “Di Di Di” sound indicates maximum volume. Press it again, back to the minimum volume and cycle in turn.

How to wear the sound amplifier


Choose the Right Size of the ear tips. Connect it to sound amplifier.

Hold the sound amplifier with your index finger and thumb, with the little port facing up.

Gently insert the sound amplifier into the ear canal and then rotate it backwards until the product is stable in the ear.

How to use the hearing aid


* Please put your sound amplifier in a dry and safe place.

* Away from direct sunlight or heat to avoid extreme temperatures.

* Away from children and pets.

* Keep the charging case in a clean and dry place.

* Do not use water, solvents, or cleaning fuids to clean charging case.

* Store your charging case in a clean and dry place.

* Fully charge the sound amplifier batteries every night.

How to charge the hearing Aid


Please put the sound amplifier in the charging case, then use the USB charging cable to charge the amplifier at least 30 minutes before using the earbud for the first time.

Charging: Put hearing aid in charging case. The green LED indicator light on.

Full Charged: The green light turn off.

NOTES: There is no battery inside the charging case.

Inside The Package


A. Charger, B. Hearing Aid, C. Type C Cable, D. Silicon In- Ear-Tips (S-M-L), E. User Manual.

The device is unsuitable in the following situations:

Usage is prohibited for patients with chronic otitis media and congenital deaf ness.

This sound amplifier can only compensate patients with hearing impairment and do not have hearing therapeutic value.

1. Congenital atresia of external ear or deformity of external auditory meatus, a large number of foreign bodies in external acoustic meatus:

2. Deaf ness is unstable, and the degree of hearing loss often fluctuates;

3. Complaint with headache, dizziness, ear ache, tinnitus, and other symptoms that are not suitable for adaptation;

4. Sudden deaf ness in the past three months progressive rapid deaf ness; apparent unilateral deaf ness or other acute ear diseases;

5. Effusion in the middle ear and frequent purulence;

6. Central deaf ness; non-organic deaf ness;

7. Patients with acute otitis extra and tympanitis;

8. Patients with acute and chronic suppurative otitis media ( in the period of purulent infection);

9. Patients who are allergic to the material of this product.

Standard Technical Specifications

Frequency Range 450Hz-3000Hz
Peak Gain 30dB±5dB
Maximum Power Output ≤112dB±3dB
Charging time 2 hours
Suitable for Mild to Moderately Severe Hearing Loss
Total Harmonic Wave Distortion ≤10%
Battery Operating time 8 hours
Fitting Range 0-80 dB