说明

• Tips for buyers: The cause of howling/noise: The inner amplifier and the microphone are close to one another of the hearing aid, and the sound is continually 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 hardly avoid howling, and only full-digital hearing aids can avoid howling Ways to bypass howling/noise: 1 When the flexibility is excessive (the amplified sound is large), howling is likely to happen Therefore, step by step rising the volume from low can effectively keep away from howling 2 When the ear canal is totally sealed, there's no howling sound Therefore, please use listening to aids after cleansing your ear canal, and check the earplugs from wide to small to find the most compatible earplugs 3 After the hearing relief enters the ear canal, it's endorsed to push the hearing reduction with your arms and preserve it for 1-2 seconds, and then launch it to fully expand the earplug In addition: If you don't know the best way to use it or there is a challenge with your hearing aid, please don't rush to go away a destructive evaluation and speak to us Thank you Features •The hearing reduction include rechargeable function, no need to change battery •The hearing relief combines a cosmetically attractive appearance with the sleek sound an inside speaker •This hearing relief channel digital sound processing permits the consumer to control quantity Specification Max OSPL: ≤129dB±3dB Max Sound Output: 117dB±4dB Max Sound Gain: 38dB±5dB Frequency range: 450Hz-3000Hz Total Harmonic Wave Distortion: ≤10% Input noise: ≤28dB Charging time: 4-6H(8H for the first charge) Available time: 40H (Depending on amplification power) "OFF"---Power off button "H"-----Low frequency compression mode "N"-----Normal utilization mode "1-4"---Sound volume Package included 1 x Hearing aid 3 x Earplug (Different sizes) 1 x User handbook (The person handbook is given at random) 1 x Black Box 1 x USB charging cable with out the price head (Recommended with 1-2A charging head) Instructions 1 Clean the ear canal before use Charge the listening to aid,turn the botton to N3 When using it for the first time, please flip the quantity to the minimum after which slowly broaden it Try and select compatible ear dome Install the ear dome and ensure it suits snugly Insert the hearing aid into the ear canal,adjust its role within the ear canal till the comfortable eartip is solely deployed and fill the ear canal If the earbuds can't fill the ear canal, it might trigger feedback or whistler,So repeat step 5 to reduce howling and noise Kindly Remind 1 volume to the minimum earlier than wearing 2 an earplug of slightly greater size to circumvent whistler 3 quantity gradually to avoid unexpected increase in sound four you pay attention a howling, test the ear (silica gel) is appropriate and whether the dimensions of plug is tight, the appropriate collection of earplugs and plugged, make certain no air leakage 5 the ear plug clear 6 off the hearing relief if you don&;t use it Notice 1 Please use the unique charging head and charging cable for charging Otherwise the product may be damaged 2 If you should use a replacement charger, please use a charger compatible for the product If an inappropriate charger is used to price the product, it'll trigger damage to the product Applicable recent charger:1-2A (this merchandise solely contain charging cable, no matching charging head)

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