K-188 Mini Invisible In Ear Hearing Aid Adjustable Sound Voice Amplifier Audiphone Enhancer


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Usage:1. Insert the earplug to the hearing aid, put the hearing aid in your ear and move it up and down to insure it on the right position, adjust the volume to get clear sound2. Open the battery compartment, put into the corresponding battery and close the battery compartment tightly.(open the battery compartment, it will stop working, close the battery compartment completely, it will start to work)3. Please take out the battery or turn off hearing aid when you stop to use the hearing aid

  • Super mini size hearing aid
  • Attractive and novel invisible design
  • Perfect in craftsmanship
  • Adjustable volume control
  • Battery compartment as On/Off switch Notes
  • If you hear the whistling sound, please make sure if you put the earplug tightly, or if you use a appropriate size earplug.Turn off the hearing aid when you charge it
  • Be sure the hearing aid is in minimum volume, otherwise the instant sound will make you uncomfortable

Item Type Invisible Mini Hearing Aid
Shape K-188
Suitable for Both left and right ear
Max Sound Output 110dB+5dB
Max Could Gain 30dB+5dB
Harmonic Wave Distortion 10%
Frequency Range 300-4000Hz
Input Noise ≤40dB
Battery A10
Working Current ≤3mA

Package Includes
  • 1 x K-188 Hearing Aid
  • 3 x Earplug
  • 1 x English Manual
  • 2 x AG10 Batteries
  • 1 x Volume Adjustable Stick