✓?24-hour After-sales Service?We not only provide customers with three-year maintenance and one-year replacement commitments, but also provide 24-hour after-sales service. As long as you have any questions about the product or encounter any problems after receiving our hearing aids, please contact us at any time, and we will definitely give you the most satisfactory answer within 24 hours. ✓?Lighting Prompts Charging?In order to facilitate customers to better protect and use hearing aids, we have made a reminder on the light display. The change of the blue light and green light can tell the user the charging status of the hearing aid in time. Even if you don't pay attention to it at all times, you can accurately know whether the charging is complete. ✓?Two Charging Methods?Elecvos hearing aids can be charged not only through the charging case, but also directly. And according to these two charging methods, we presented two charging cables with different specifications. It is worth mentioning that the hearing aid can be charged 4-5 times after the charging case is fully charged, which is the best choice for short-distance travel. ✓?Optional Earplugs?Earplugs that fit you can cancel noise and improve wearing comfort. We offer earplugs in three different sizes, large, medium and small. Users can replace the earplugs by themselves according to their own needs. When cleaning the hearing amplifiers, simply remove the earplugs and use the included brush to clean them. ✓?Designed Shape?Unlike hearing aids which are completely in-ear, the shell of the Elecvos hearing aid hangs behind the ear. After practice and improvement, the appearance and shape of the hearing amplifiers almost completely fit the curvature of the human ear. So the hearing aids won't fall from the ear or cause ears pain which can enhance the comfort of the customer when wearing it. ✓?Most Thoughtful Gift and Service?Sound is one of the most important ways to recognize the world. Hearing loss affects the cognitive abilities of the brain, leading to a gradual decline in language skills. Hearing aids can help people with hearing loss to hear again and return to normal life. As a gift, it is always your most suitable choice. We provide lifetime after-sales, three-year warranty and one-month free replacement, you can contact us for help at any time. ✓?Easily Use and Elderly Friendly?Through data research, we learned that some elderly people are not used to the complicated steps of using electronic products, so we have optimized the chip inside of the pocket talkers for hearing impaired. From now on,users do not need to switch the mode, just adjust the volume wheel on hearing aids which could be gently rolled to amplify the voice and cancel the noise. Thus, difficulties of operation are greatly reduced,even the elderly can use it fluently. ✓?Long-lasting Battery Life & Portable Size? This pair of high quality hearing amplifier is 100% rechargeable and has 15 hours of battery life on a 5 hour charge. Charging case of this pair of hearing aids for seniors is lightweight,just 3.5oz,so could be placed in pocket or backpack anytime,lasting 60 hours after taking 3.5 hours to be fully charged. Perfect combination of sound amplifier is ideal for those with high demands on duration and weight. ✓?Professional Contour Design & Waterproof Material? These sound amplifiers for hearing loss are with ergonomic curvature, soft and adjustable sound channel, different sizes of medical material domes.These excellent appearance characteristics not only prevent the hearing aids from falling off, but also improve the wearer's comfort. In addition, the waterproof material used makes it not afraid of rainy days, you can wear these hearing amplifiers no matter what kind of weather. ✓?Comfortable Sound Quality & Adjustable Volume?Elecvos hearing aids use the latest digital chips in 2022 to achieve double noise reduction, which filters 90% noise while amplifying, making the sound clearer. The volume can be adjusted, allowing users to adjust according to their own needs and sound level of  surrounding environment. What's more, there will be no whistling or harsh echoes that can damage your ears while wearing these hearing amplifiers,giving users a better hearing experience.