Doosl rechargeable hearing amplifiers with charging case, a personal sound aid device suitable for seniors and adults, it is designed to let your hearing be better.
Upgraded hearing aids:
44.8% Improvement Compared To The Previous Generation. RIC Design Reduces The Chance Of Howling And Is Not Easy To Fall Off, Strengthen The Surrounding Vocals, Weaken The Environmental Noise, Advanced noise-canceling, feedback suppression & background reduction.
This is a USB Rechargeable Personal Sound Amplifier, So You Don’t Have To Think About Where To Put The Button Battery. It Can Work For 40 Hours After Charging For 6 Hours. Tips: Too Long Term Charging Will Shorten Battery Life.
With a decent charging case:
The hearing amplifiers come with a pocket-size charging bag that can help recharge the hearing aids fully 4 times, and the case itself is rechargeable too. Never worry about being out of battery. It's convenient to carry the hearing amplifiers with it. Seniors are going to love it. A perfect gift for parents or grandparents.
Easy To Use:
One Button To Adjust The Volume, One Button To Adjust The Channel And Switch Off/On, You Can Choose According To Different Environments.
Comfortable To Wear:
The hearing amplifier adopts a humanized arc design, which is comfortable and not easy to fall. Lightweight and small size, 0.25 Ounce, TPE Material Is Soft And Elastic
Plenty of Accessories:
6 pcs earplugs for different sizes of ears, brush for cleaning, USB cable for charging.
Type: Hearing Amplifiers for senior
Max sound out put:129+/- 3dB
Sound gain:>= 40dB+/- 5dB
Total harmonic wave distortion:<= 10%
Full charing about 2 hours
OK to hearing Amplifiers recharging about 4 times
Full charing 4~5 hours
Working time 50 hours /pc
Total working time 400 hours / 2pcs
Pair Hearing Amplifiers
1 x Charging case
6 x Earplugs
1 x Brush
1 x USB Charging cable
1 x User Manual
There will be high pitching sound/whistling if you did not use the hearing amplifiers correctly, and it's common for all kinds of hearing amplifiers and hearing aids devices.
To get rid of the whistling, please follow our instructions about the insertion and adjustment:
1. Set the volume of the hearing aids at the lowest level.
2. Choose the most comfortable ear dome for your ear. Make sure there is no air go through your ear canal.
3. Wear the hearing amplifier before turning on the device.
4. Adjust the volume according to the environment until you can hear clearly.