How to avoid feedback?
1.Set the volume at the lowest level.
2.Choose the most comfortable ear dome for your ear. Make sure there is no air go through you ear canal.
3.Wear the hearing amplifier before turning on the device.
4.Adjust the volume and select the mode according to the environment until you can hear clearly.
How to charge the hearing amplifier
Just charge 2-3 hours. Please don`t charge it overnight, long-term charging damages battery
Charger adapter is not included. Please use your iPHONE/ANDROID charger adapter for substitute.
About the product size
The size design of our products is based on most ear sizes
so some of customer may think it too large or small
it doesn’t matter,our product is 30-day free return
if you don’t like this,you can return it
High Frequency Average (OSPL90): 120dB ± 4 dB
Full-on acoustic gain (1600 Hz): 40dB ± 5 dB
Frequency Response Range: 450Hz-3000 Hz
Total Harmonic Distortion: ≤ 10%
Equivalent Input Noise Level: ≤ 32 dB
Please contact us if you need any support from us during using our hearing amplifier
Clear sound experience: A hearing amplifier with a built-in noise reduction chip can effectively reduce noise and amplify surrounding sounds. The two modes are suitable for different environments, the N mode is used for quiet environments, and the H mode is used for noisy environments.
Cycle charging: The amp can be charged via Micro USB. Avoid saving time and money by frequently buying and replacing batteries.
Easy to use: simple button operation, 1 button to adjust the volume, 1 button to switch the mode and turn on/off. The elderly are easy to operate. The gift pack provides exquisite packaging and complete accessories. Our hearing aids will be a great gift for your friends or family.
Humanized design: BTE (behind the ear) design, which can be switched to left/right ears by rotating the earmuffs. Includes earmuffs (earplugs) of different sizes. You can choose the most comfortable ear.
Service and warranty: We provide customer service and warranty for hearing aids. If you need any of our support, please contact us.
Specification: Rechargeable Hearing Amplifiers – Digital Personal Sound Enhancer with Volume Control Noise Reduction for Adults and…
Amazon.com Price: $39.99 (as of 22/04/2021 07:30 PST- Details) & FREE Shipping. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.