Tips for buyers:
Causes ofwhisting/noise: In orderto makeasmallhearing aid, theintenal amplifier and microphoneareplaced closeto each other. The sound
is contnuouslyreceived and expanded, so thereis a certain possibility of whisting after powe-on. At present, small hearing aids and high-power
hearing aids on the market are difficultto avoid whistling, and only fully functional digital hearing aids can avoid whistling.
Ways to avoid whistling/noise:
1. When the power is large(theamplified sound is large), it is more likely to produce howling. Therefore, gradually increasing the bass volume
can effectively prevent howling.
2.When the ear canalis completelyclosed, there isno whistling sound. Soafter cleaning the ear canal, put on the hearing aid, testtheearplugs
from large to small, find the most suitable earplugs, and ensure that there is no air leakage.
3.After the hearing aid enters theear canal, it is recommended to push the hearing aid with your fingers and hold it for 1-2 seconds,then
release it to fully extend the earphone.
4.In theshutdownstatetun the volumeofthe hearing aid to the lowest level,then insert it into the ear. Makesurethattheearbudcompletely
fills the ear. Then turn on the power button and slowly increase the volume to a suitable volume.
5.Users who havenotheard the sound fora long time maycause hearing loss due to the long-term falureto hearthesound, resulting inthe
hearing aidstill unableto hearthesound. Please persevere, continueto stimulate the growth of the hearing nerve, and you will hear after a
while. If you are not sure whether your hearing aid is working properly, you cantry the product on a person with normal hearing.
6. Please pay attention to cleaning the ear canal and keep the earplugs clean.
In addition:If you do not know how touse itor there is a problem with your hearing aid, please do not rush to leave a negative review and
contact us. Thank you.
Describe:
1. Peak Gain(dB): 117dB, suitable for moderate to severe hearing loss (refer to the Hearing Loss Chart)
2. Rechargeablecasecharging:Your hearing aidscan becharged usingthe detachable chargingcase. (Youllneedto chargethe detachable
charging case first.) It's portable, and it saves you the hassle of constantly buying a coin cell battery.
3.Charging time: charging for 4-6 hours, it can workfor 20 hours, the indicator light is red when charging. Tuns offwhen fully charged.(For
removable charging case)
4. Especially designed for the hearing-impaired, more fitting to the ear canal. No pain even when worn for a long time.
5.Iftheearmufsarenotfullyinsertedintothe earcanalorair leaks from theearmufs, itwillcausean annoyingwhistle. Weoffer 3 different
sizes of ear tips to reduce whistling and noise.
Product parameters:
Peak OSPL 90(dB SPL): 117dB
HAF OSPL 90(dB SPL): 110dB
Peak Gain (dB): 32dB
HAF/FOG gain (dB); 29dB
Frequency range (Hz): 300-3500Hz
distortion:
500Hz:3%
800 Hz:3%
1600Hz:3%
Equivalent input noise (dB): 25dB
Voltage: D.C.3.7V
Current: s1.5mA
Charging time (H): 4~6
One charge working time (H): 20h
Battery: built-in lithium battery
Current: 1.5mA
Size; 15ￗ10ￗ20 mm
Specification:
Product Name: ITE Hearing Aid
Color: red+blue
Package Included:
Hearing aids: 2 (1 red and 1 blue)
Earplugs: 6
Cleaning brush: 2
Bolt driver: 2
Charging cable: 1
Charging adapter: 1
Manual: 1
Charging case: 1
Tips:
1. Clean the ear canal before use.
2. If you are not using your hearing aids, turn them off.
3. Please use the orieinalchareine head and charging cable for chareing. Otherwise the oroduct mavbedamaeed.
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