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

SpecificationsSource Method USBRated Voltage 5VRated Power 15WMaximum OSPL90 ≤117dB±3dBHigh frequency average OSPL90 109dB±4dBAverage gain 25dB±5dBFrequency response range 400Hz 4500HzEquivalent input noise sound level ≤29dB 3Total harmonic distortion ≤7 Related power supply ≤6mAFeatures 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 aid1 x Case1 x User Manual