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• Tips for buyers: Causes of whistling/noise: In order to make a small hearing aid, the interior amplifier and microphone are positioned near to each other The sound is always obtained and expanded, so there's a certain possibility of whistling after power-on At present, small hearing aids and high-power listening to aids for sale are tough to circumvent whistling, and solely solely useful electronic listening to aids can avoid whistling Ways to circumvent whistling/noise: 1 When the ability is giant (the amplified sound is large), it is likely to produce howling Therefore, gradually rising the bass quantity can efficiently stop howling 2 When the ear canal is absolutely closed, there is not any whistling sound So after cleaning the ear canal, put on the hearing aid, examine the earplugs from huge to small, discover essentially the most compatible earplugs, and confirm that there's no air leakage 3 After the listening to aid enters the ear canal, it's endorsed to push the hearing aid along with your arms and maintain it for 1-2 seconds, then release it to totally increase the earphone 4 In the shutdown state,turn the amount of the listening to reduction to the bottom level, then insert it into the ear Make sure that the earbud completely fills the ear Then switch on the ability button and slowly expand the amount to an acceptable quantity five Users who've now not heard the sound for a long time can cause hearing loss because of the long-term failure to hear the sound, resulting in the hearing reduction still not able to listen to the sound Please persevere, continue to stimulate the expansion of the hearing nerve, and you will listen after some time If you are not yes whether your hearing relief is working properly, you could try the product on a man with normal listening to 6 Please listen in on cleansing the ear canal and keep the earplugs clean In addition:If you don't know methods to use it or there's a situation with your listening to aid, please don't rush to go away a negative review and call us Thank you Differences from different products: Other products: non-rechargeable and battery isn't durable, battery must be changed frequently, plastic material, poor quality, low volume, loud noise, device often does not paintings Us: rechargeable, with charging compartment, ABS material, clean sound, no noise, no whistling, extensive quantity management level, good sensitivity, completely happy The benefits of ABS: splendid complete performance, influence resistance, warmth resistance, low temperature resistance, good surface gloss Feature 1 Peak Gain(dB): 35dB,Suitable for mild to moderate hearing loss (Reference hearing loss map) 2 Intelligent noise adjustment:Reduce the noise injury to eardrums 3 Charging time: Charging 2-3 hours(6 hours for the 1st charge) can last a whole day (about 30 hours) your trouble to purchase button batteries frequently 4 Easy to operate:Medium length in-ear hearing aids,with extensive quantity buttons and charger,easy to function for the elderly and adults 5 If the ear dome is not permanently fill into ear canal or air leaks on the ear dome, that may causes a annoying whistle give three various sizes of earplugs to lessen howling and noise 6 Gift bundled: We will give a listening to aid box to carry set contains charger, earbuds and cleansing brush and so on be great presents for your friends or households Product parameters Peak OSPL 90 ( dB SPL): 125dB HAF OSPL ninety ( dB SPL): 115dB Peak Gain(dB) : 35dB HAF/FOG Gain (dB) : 28dB Frequency range(Hz) : 300-5500Hz Distortion: 500Hz : 3% 800Hz : 3% 1600Hz: 5% Instructions 1 Clean the ear canal before use 2 Charge the hearing aid,turn the botton to N three When using it for the 1st time, please flip the quantity to the minimal and then slowly develop it four Try and choose suitable ear dome Install the ear dome and make certain it suits snugly 5 Insert the listening to aid into the ear canal,adjust its function in the ear canal until the delicate eartip is completely deployed and fill the ear canal Notice 1 If the earbuds cannot fill the ear canal, it could trigger suggestions or whistler,So repeat step five to reduce howling and noise 2 Turn off the listening to relief once you don&;t use it three Please use the unique charging head and charging cable for charging Otherwise the product could also be broken four If you should use a alternative charger, please use a charger compatible for the product If an irrelevant charger is used to fee the product, it's going to cause damage to the product Charger INPUT: AC100-240V, 50-60Hz / 0 ChargerOUTPUT: 5V, 1000mA

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