Specification:
Condition:NEW 100%
Material: ABS
MAX Sound Output: ≤129dB+-/3dB
Harmonic Wave Distortion: ≤10%
Frequency Range: 450～5000Hz
Sound Gain: ≥38dB+/- 5dB
Input Noise: ≤29dB+-/3dB
Aid Battery： 35mAh lithium-ion Battery 
Full charging time: about 1.5h
Working time: About 25h
Charging Box battery：300mAh battery
Charging Box Full charging time: about 3h
Charging Box Working time: charge hearing amplifier about 4 times
Product Size: 1.38" * 0.65" * 0.37"
Reusable: Yes

Features:
🌷 Quality Assured:
------- Adopting advanced chip to makes the sound more real and clearer

🌷 3 Working modes switchable
-------- there are three models for you to choose: normal - medium noise reduction - outdoor mode

🌷 Voice controllable
--------- threre is a Volume Button on the body， just adjustable voice as your wishes
🌷 With Charging Bin：
--------- USB rechargeable and designed with power on/off button

🌷 Ergonomic design：
--------- comfortable to wear; Designed with wireless charging bin
Perfect for adults and elderly seniors with hearing loss

Package included：
1 * Hearing Aid
1 * Charging Bin
3 * Ear Cap
1 * Brush
1 * User Manual
1 * USB Cable