What's in the box:

Mini Size Ear Back Type Invisible Hearing Device 4 Levels of Volume Adjustable Sound Amplifier (Blue)

This hearing device is designed for old people or people with hearing problems. Low power consumption, high-fidelity material, fine quality chip, can provide long service time. The shape of hearing device matched with the earcanal which ensures the comfort. User-oriented design make the hearing device can perfect the ear. You can have a try.

Features:
This hearing device is designed for old people or people with hearing problems.
Its clear sound and big power can be used for compensation of the hearing loss.
Low power consumption, high-fidelity material, quality chip, can provide long service time.
The shape of hearing device matched with the earcanal which ensures the comfort.
Soft silica gel material, does not harm to your ear, and also ensure stability and lasting.
This affordable hearing device have volume control, 4 levels adjustable,you can adjust the volume to fit your own needs and preferences.
Full digital circuitry, low power consumption, adaptive noise reduction, adaptive feedback cancellation.

Specifications:
Name: Hearing Device
Charge device: DC5V, 50mAh to 1A
Battery: 1 * lithium battery, 3.7V, 60mAh (included)
Max sound output: 125 +4dB
Sound gain: 385dB
Total harmonic-wave distortion: 5%
Frequency-range: 300Hz-4500Hz
Input noise: 28dB
Voltage: DC3.7V
Current: 2mA
Item weight: 6.5g / 0.23ounce
Package size: 45 * 40 * 10mm / 1.77 * 1.57 * 0.39in
Package weight: 20g / 0.71ounce

Packing List:
1 * Hearing Device
4 * Earplug
1 * Cleaning Brush
1 * USB Cable
1 * Power Adapter
1 * Manual