JINGHAO Premium Hearing Aids – Hear Life Clearly & Comfortably. Experiencesuperior sound quality with JINGHAO’s all-new,open-type design hearing aids, tailored to your individual needs. hold the hearing aid comfortably and securely in the ear canal.
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The rechargeable hearing amplifier has a built-in lithium battery, and fast charging supports 30 minutes of charging for 6 hours of use. Lightweight in-ear design, each pair of headphones comes with 3 sizes of earmuffs, comfortable to wear and reduces howling sounds. Easy to use, the blue device is for the left ear, the red device is for the right ear, and comes with a white charging box. Beautiful appearance, easy to distinguish the direction of the two devices. Obvious on/off button for easy operation. Wear two devices at the same time, or share with a loved one, or use one device to keep the other device charged as a backup, it's all up to you. .
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Features:-The built-in rechargeable battery can be used for up to 30 hours on a full charge, and it only takes 2-3 hours to charge. It also comes with a charging case that can be charged 4-5 times, and it only takes 3-4 hours to fully charge the charging case.-Adopting intelligent noise reduction system, it can detect and sense noise waves, change the gain of the channel where the noise is located, and clearly identify the speed of normal sound waves.-The compact size makes it easy to carry and use anywhere.-It is packaged in an exquisite gift box, which is an ideal choice whether for personal use or as a gift to relatives and friends.Specifications:Battery capacity: 300mAhEquivalent input noise: ≤32dBCurrent: ≤2mARated voltage: 3.7vWorking time: ≧30.
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Personal sound booster. 1pc Hearing Aid. Picks up sounds the human ear wouldn’t normally hear. Great to enhance sound while watching TV or at the movies. It uses new technology that enhances vocals while canceling out background noise.
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MiNi Digital Invisible Hearing Aids CIC Small Sound Voice Amplifier Enhancer US. This hearing amplifier is almost invisible when you are wearing it, it features highly advanced amplification technology, it is easy to hide and comfortable to wear.
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Personal sound booster. 1pc Hearing Aid. Picks up sounds the human ear wouldn’t normally hear. Great to enhance sound while watching TV or at the movies. It uses new technology that enhances vocals while canceling out background noise.
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The cause of howling/noise: The internal amplifier and the microphone are close to each other of the hearing aid, and the sound is continuously received and expanded, so it has a certain possibility of produce howling after power-on.
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Ways to avoid Whistling /noise howling after power-on. At present, small hearing aids and high-power hearing. aids on the market can hardly prevent howling, and only full-digital hearing. aids can prevent howling.
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