Insert the hearing aid into the ear canal,adjust its position in the ear canal until the soft eartip is fully deployed and fill the ear canal. Clean the ear canal before use. Turn off the hearing aid if you don't use it.
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Features: -Easy to use, the volume can be easily adjusted with the touch of a button, no tools required. -Built-in energy-saving rechargeable battery prolongs battery life and extends the time between charges, supporting all-day use. -The charging box can be fully charged in 2-3 hours, and after being fully charged, it can achieve an ultra-long standby time of 35-48 hours. -Each weighs only 3 grams, which is convenient and comfortable to wear. It comes with earplugs of different sizes to fit everyone's ears perfectly. -It adopts a compact and lightweight design, which satisfies your convenience of carrying and invisible wearing, and can be used anytime and anywhere. Specification: .
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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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Features:-There are five levels of volume control with beep prompts.-Equipped with portable charging case, 3-4 hours to full power of the case, can offer totally 36-90 hours of use. -The operation is simple, long press to turn on and short press to adjust the volume, making it convenient for the elderly to use.-High-definition sound quality enables barrier-free communication, and the full-scale gain is greater than 35dB.-The cochlear ergonomic design is comfortable to wear and can be used for a long time.Specification:Material: ABS+siliconeMAX OSPL90 (dB SPL): ≤115dB+3dBHFA OSPL90 (dB SPL): 110dB±4dBFOG：30dB±3dBHFA FOG：29dB±3dBFrequency range: F1<400Hz, F2>4700HzTHD 500Hz：≤5+3%THD 800Hz: ≤5+3%THD 1600Hz: ≤5+.
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Description:【Charging Function】We provide a USB charger to save you the trouble of buying batteries. The device can be easily turned on/off with the power switch. The volume can be easily adjusted by just touching the button, no tools required. And he can be charged anywhere there is a USB socket, such as company computers, home sockets, etc.【Lasting All Day】: It's time to upgrade your products and forget about always running out or replacing batteries. Now, energy-saving rechargeable batteries can provide you with longer battery life and charging intervals. Without having to change batteries all the time, you can freely do what you like【Charging Box】The machine can be fully charged in 2-3 hours, and can reach an ultra-long standby time of 35.
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Input noise: < =32dB. Current: < =1.2mA. Maximum output power: 129+/- 3dB.
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Suitable for daily use, including watching TV or having conversations. 1x Hearing Aid Device. Mild to moderate hearing issues. Clear Sound: Reduces background noise and improves voice clarity.
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