Comes with different-sized ear domes, please choose the appropriate size to perfectly fit your ears. No Whistling- The Hearing aids adapt medical grade technology to amplify the sound while reducing background noise, bringing you a more comfortable and clearer hearing experience. 16-Channel Clear Sound Quality, Intelligent Noise Reduction. Works effectively for mild to moderate hearing loss people. Easy Operation - Simple to Use, Easy to learn how to use in 3 seconds.Take out it turns on. Short press adjust the volume 1-5 level.
Long press 2S can adapt to 3 models. Memory Function (after using 10 minutes). Fast Charging & Long Battery Time - With a 2.5-hour magnetic full charging time, the hearing amplifiers can be used for 250 hours(365 days of standby time). No need to charge the device every now and then. Enough to charge a pair of hearing aids six times.The compact charging box also works as a storage box to prevent the small hearing aids from losing. Clear and Smoothly Conversations-Invented by a Board Certified ENT Surgeon, these rechargeable hearing aids are precisely tuned to the range of sounds associated with the human voice and can assist 95% of Americans with mild to moderate hearing loss. If you are satisfied with our products and services, hope to take up your a little precious time to leave feedback reviews for our products. Your satisfaction is our effort.