<p></p> <p><b>Why Choose Our Hearing Amplifiers? </b></p> <p><b>Double Noise Reduction Hearing Amplifiers </b></p> <p>Intelligent audio processing, dual filters, remove all kinds of noise. </p> <p><b>3 Modes and 4 Channels </b></p> <p>One button switches three different modes, no matter at home, on the road or in the vegetable market, it can easily reduce noise. No delay, no lag. </p> <p><b>Cycle Charge Use </b></p> <p>It is a USB charging hearing aid, no need to replace the battery frequently. It can be fully charged for about 2-4 hours, can be used for 80hours, and the battery life is 5 years. </p> <p><b>Don't Hurt Your Ear</b></p> <p>Intelligent audio processing introduces the strength of the body's receiving range, so that our eardrums are not damaged. Pass FCC, ROHS test, no radiation and harm to human ears. </p> <p><b>Q&A:</b></p> <p>Why does the hearing aid have loud screeching sound ? How to solve?</p> <p>Because the contact part of the earplug and the ear canal is not completely closed, the sound amplified by the hearing aid leaks from the gap and is amplified again by the microphone, so there will be a howling sound.</p> <p><b>Solution:</b></p> <p>1. Turn down the volume before use.</p> <p>2. Choose suitable earplugs to keep the ear canal sealed.</p> <p>How to Care for Hearing Aids?</p> <p>1. Dryness: Hearing aids are electronic products and are prone to moisture. Pay attention to waterproof, moisture-proof and dust-proof.</p> <p>2. Cleaning: Wipe with a dry, soft cloth. Use a small brush to clean the earwax inside and around the sound hole of the hearing aid.</p> <p><b>Package: </b></p> <p>2 x rechargeable hearing aids for seniors </p> <p>10 x hearing aid domes </p> <p>2 x USB cable </p> <p>2 x adapter</p> <p>2 x hearing aid cleaning brush </p> <p>1 x packing box </p> <p>1 x instruction manual </p>