Looking for a hearing aid that can enhance your hearing level at the same time is discreet? Invisible Hearing Aid is the most sought after hearing aid in the market. Hear more, wherever you are, with top- notch comfort, highly innovative hearing aid.
Helps with low noise or distortion
Highest sound output rate: 130 + 5dB
Sound gain greater than 50dB
Total harmonic distortion: less than 5%
Frequency range: 300Hz ~ 40000Hz
Operating Voltage: 1.5V
Battery model LR44
Read Before You Use
Step 1: Turn the Invisible Hearing Aid switch on by moving the dial to the ON section
Step 2: Make sure the volume dial is set to the minimum (lowest level)
Step 3: Insert the Invisible Hearing Aid inside your ear
Step 4: Adjust the volume until you hear a sound.
Gently open the battery compartment cover at the back of the device. Put AG13/LR44 battery into the battery compartment in the right direction, then close the battery compartment.