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• Tips for buyers:The explanation for howling/noise:In order to make a mini size listening to aid, the interior amplifier and the microphone are close to each other The sound is continuously obtained and expanded, so it has a certain possibility of produce howling after power-on At present, small hearing aids and high-power hearing aids for sale can not often keep away from howling, and only full-digital listening to aids can keep away from howling Ways to circumvent howling/noise: 1 When the flexibility is high (the amplified sound is large), howling is likely to happen Therefore, progressively growing the volume from low can effectively keep away from howling 2 When the ear canal is absolutely sealed, there is not any howling sound Therefore, please use listening to aids after cleaning your ear canal, and check the earplugs from broad to small in finding the most appropriate earplugs 3 After the hearing relief enters the ear canal, it is recommended to push the listening to aid along with your fingers and preserve it for 1-2 seconds, and then launch it to completely expand the earplug Comparison Chart of Mini Size Hearing Aids HA-1 Feature 1 Peak Gain(dB): 30dB,Suitable for mild to moderate hearing loss (Reference listening to loss map) 2 Super Mini Size: Ear reduction length out of the ear solely 0 * 0*0 inches, weight Only 1g,which would be properly hidden on your ears 3 Biomimetic design: Designed for listening to impaired,more becoming ear canal not feel pain even if worn for a long time four Long working time: One A10 battery can last about 60 hours and real looking five If the ear dome isn't always permanently fill into ear canal or air leaks at the ear dome, that will causes a stressful whistle give three diverse sizes of earplugs to minimize howling and noise 6 Gift bundled: We will give a listening to relief box to hold set contains matching battery, earbuds and cleansing brush and so forth be great gifts in your peers or families Product parameters Peak OSPL ninety ( dB SPL): 110dB HAF OSPL ninety ( dB SPL): 105dB Peak Gain(dB) : 30dB HAF/FOG Gain (dB) : 26dB Frequency range(Hz) : 500-4500Hz Distortion :500Hz : 5% 800Hz : 3% 1600Hz: 3% Specification Product Name: CIC Hearing Aid Color: Blue/Beige Battery: A10 battery Weight: whole 82g Package incorporated 1 × Hearing relief 1 × Storage box 3 × Earmuffs(different sizes) 2 × Matching battery (A10) 1 × Hearing reduction cleansing brush 1 × Volume adjustment bracket 1 × Instructions(Please ensure has read the manual before using) Instructions 1 Clean the ear canal earlier than use 2 Insert the battery three When utilizing it for the first time, please flip the volume to the minimum after which slowly develop it four Try and select compatible ear dome Install the ear dome and make certain it suits snugly five Insert the hearing relief into the ear canal,adjust its function within the ear canal till the gentle eartip is fully deployed and fill the ear canal Notice 1 If the earbuds cannot fill the ear canal, it may cause suggestions or whistler So repeat step 5 to minimize howling and noise 2 Turn off or remove the battery when you don&;t use it three Normal listening to user can't journey the genuine results of listening to aids If it's not bought for yourself, please assist the person use and alter it

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