Mini Rechargeable Hearing Aid Low-Noise Wide-Frequency One-Click Operation Sound Amplifier Deaf Hearing Aids

Mini Rechargeable Hearing Aid Low-Noise Wide-Frequency One-Click Operation Sound Amplifier Deaf Hearing Aids
Specifications
Source Method:USB
Rated Voltage:5V
Rated Power:15W
Maximum OSPL90:??117dB??3dB
High frequency average OSPL90:109dB??4dB
Average gain:25dB??5dB
Frequency response range:400Hz??4500Hz
Equivalent input noise sound level:??29dB+3
Total harmonic distortion:??7%
Related power supply:??6mA
Features:
3 handy earplug sizes for customized comfort.
Just 1 button to adjust sound input.
Fast USB charging with long battery life.
Portable case with lights to indicate charge.
Charging instructions:
The case:Take the included charging cable and plug it into the port. When charging, the case will show a blue indicator light. Once the box is fully charged, it will change to white.
The hearing aids:Carefully place them into the charging box. A blue light will be displayed while charging and a white light when they are fully charged.
Package Included:
2 x Hearing aid
1 x Case
1 x User Manual

Additional information