Doosl Digital Hearing Amplifiers Personal Sound Amplifiers Rechargeable Personal Sound Enhancer with Volume Control Noise Reduction for Adults and Seniors

Listening in noisy places requires energy and energy. Using Hearing Amplifier allows you to hear the noise better, it cleverly supports your favorite listening method without affecting the surrounding environment. It can detect your environment and automatically adjust the volume and noise settings to the right level.

Quickly Charge
Its powerful rechargeable battery provides up to 15-30 hours of continuous work, and a full charge of about 3 hours. But for non-rechargeable hearing aids, one battery can last about 7 days, and 50 batteries are wasted every year.

Updated Design
Use the latest generation of American digital chips to make double noise reduction than the usual sound amplifier, fine sound quality, comfortable listening. hearing aids not only has better double noise reduction and prevent howling, but also has the function of instantaneous strong sound intelligent ear protection.Bluetooth design lets you listen to music and receive the phones with ease.

Sweat Proof
The internal nano-coating technology protects the hearing amplifier from sweat during outdoor activities. Very suitable for walking, jogging, hiking, yoga, traveling, etc. Thermoplastic elastomer (TPE) medical materials are soft, flexible and ultra-lightweight.

Easy to Control
The knob allows you to easily adjust the volume, and one button controls 4 modes, which can perfectly adapt to different listening environments. It is strongly recommended that you read the instructions carefully and observe the illustrations carefully before use.

Specifications:
Type: Bluetooth Hearing Aid
OSPL90 Max<=126+/- 3dB
OSPL90 HFA<=107+/- 4dB
Peak Gain(dB)<=39
FOG50 HFA<=30+/- 3dB
Total harmonic wave distortion:<= 3%
Frequency range:F1<= 500Hz F2>= 3500Hz
Input Noise:<=32dB
Full charging time: about 3 hours
Working time: Up to about 16 hours in normal, and 4 hours via Bluetooth
Rechargeable OE
Low battery warning indicator
Volume control: Roller adjustment
Bluetooth version: 5.0
Connect method: Automatically linked when the hearing aid boot up

Notes:
1. When using it for the first time, please turn down the volume to the minimum, and then increase it slowly.
2. When not in use for a long time, turn on the product.
3. Designed for people who are not sensitive to hearing. People with good hearing will hear loud sounds when wearing them.
4. It is not suitable for those who completely lose their hearing. People who have completely lost hearing should buy suitable hearing aids according to the doctor's recommendation.
5. If the product has any quality problems, please contact us in time for replacement or return.

Package Included:
1 x Hearing Amplifier
1 x USB charging cable
3 x Earplugs
1 x Ear channel
1 x Manual
1 x Brush + pipe