Specification:

Color: Black / Nude Color
Power Method: USB Data Cable
Charging Time: 60 Minutes
Long Battery Life: 20-30 Minutes
Hearing Aid: Sound Amplifier
Hearing Aids Digital: Intelligent Hearing Aid
Product Size: 21.7x15x21.9 mm
Work voltage: 3.7 in direct current + 5%, -10%
Working current: ≤ 1.4m
Frequency characteristics: 300-5000 Hz
Equivalen input noise: ≤ 29 dB, + 3 db
Maximum saturation of the acoustic output: ≤ 128 dB, + 3 dB

Features:

-The sound volume can be adjusted according to different situations.
-In an hour charging, 30 minutes in battery life.
-Weme-resistant, dustproof, and sweating invasion.
-The sound is divided into different frequency bands, and the chip can noise on the sound of different frequency bands.
-It simple and easy to operate, open it with one click.
-The body design, fits the ears, and does not fall easily.
-The earplugs with 4 different sizes are suitable for different people to use.

Package Includes:

Instruction manual *1
Charging cable *1
Charging base *1
Host *1
Warranty card *1
Certificate of Conformity *1
Accessory box *1  
Quick guide *1
Earplugs *4
Cleaning brush *1
Packing box *1