Omker Hearing Amplifier Rechargeable Hearing Amplifiers Personal Hearing Amplifier Device 4 Channels Noise Reduction Digital Hearing Aid Amplifier for Seniors and Adults

WHY CHOOSE US? ?With volume and mode adjustment function,you can adjust according to different scenes, so that you can adapt to more environment. ?Specially designed for people with hearing impairment, that will not feel pain even wearing for a long time. ?The left/right ears are adjustable so that they can be worn on either ear. PACKAGE INCLUDED: 1 x  Hearing Amplifier 1 x Instruction Manual 1 x cleaning Brush 1 x Storage Case 1 x USB Cable 4 x Earpieces 1 x Adapter FAQ Q: Why do hearing amplifiers make noise? A: Hearing amplifiers will amplify all sound simultaneously, including the speech and background noise, the Noise-Cancelling microphone would help to amplify more speech signal to help you to hear more clear. Q: How to reduce feedback/whistling for this hearing amplifier? A: 1. Ensure the Ear Dome fits snugly in your ear canal, make the amplifier is occlusive in the canal. 2. Choose the right size ear dome, if it is too loose, replace with a larger ear dome. 3. Turning down the volume prior to insert the amplifier into the canal. Q: The amplifier does not work/stop working/can't be heard? A: Please charge the hearing aid, charging 4-6 hr for working 70 hours 2. Clean the sound output tube to avoid the blocked from the ear wax. 3. If you still can not hear the sound, replace the wax filter. 4. Keep the amplifier dry and clean the amplifier frequently. If you have any questions during use, please feel free to contact us, our team will provide you with professional responses within 12 hours.