Effective Hearing Device- Ideal for most mild to moderate hearing loss. Active noise cancellation could control background and ambient noise to bring you back to the clear world. Support 3 different mode, especially the tinnitus masking mode will solve your unpleasant experience. Intelligent Programming Chip- Our 8-channels digital HD chip contains multi-channel WDRC audio processing and offer 5 levels for volume control through one button operation. It will provide you a more natural and excellent sound quality.Comfortable & High Quality- The TWS appearance design differ from the traditional hearing device, the skin-friendly material and fashionable shape bring you a nice day of using. No pain for ear canal. Large power capacity- Rechargeable magnetic charging case support 4 times fully charge for the earbuds and 40 hrs using time after a single charge. The tiny portable charging case is easy to carry to anywhere you go. What should I do if the hearing amplifier keeps howling? The wearing angle is wrong, there is air circulation in the ear canal.
Wear it correctly according to the user's manual or quick guide. The size of the ear domes for hearing aids not appropriate, they are not close to your size, there is air circulation between the ear canal. E have equipped with 4 pairs of ear domes (S/M/L/XL) for replacement, please pick a appropriate size to ensure it's a tightly wear.Ear wax in the ears. After take out the hearing aids from the charging box, it will automatically turn on after 5 seconds.
If you didn't wear within 5 seconds, it will cause the howling sound. Method 1: Put the hearing aid back into the charging box and restart it, then you need wear the hearing amplifier tightly in the ear canal within 5 seconds. Method 2: Take out the hearing aid and turn it on automatically, long press for 5 seconds to turn it off, wear hearing aids correctly, long press it for 5 seconds to turn on. It is normal when the hearing aid howling in the air, because the earbuds' microphone is near to the radio, like the howling from the microphone at KTV. After wearing the hearing aid, please do not touch it if you don't need to change anything.This type suit for people that mild and moderate hearing loss. You need to adjust two side separately, it's not synchronize. This item is in the category "Health & Beauty\Medical & Mobility\Daily Living Aids\Hearing Assistance\Hearing Aids".e_73" and is located in this country: US. This item can be shipped to United States.