[A must-have for your loved one] This hearing aid is a small electronic device that you wear in your ear. It makes some sounds louder so that people with hearing loss can listen, communicate, and participate more fully in daily activities. Suitable for seniors and adults.[Comfortable design] Suitable for daily hearing - their small size not only means they are almost invisible, but also means they are very light and comfortable to wear all day, unlike many other in-ear devices[Noise-canceling hearing aids] Our in-ear hearing aids use the latest German chips and enhanced atomic series sound processors, zero howling[No more backup batteries] The hearing aids come with a charging box (like many earbuds), which can charge the device when away from a power source, and plug into the wall to charge the charging box. The charging box can store 60 hours of standby power, enough to charge the hearing aids 5-6 times. Each charge can support the device to work continuously for 13-16 hours[Easy to use] Just long press the button to turn on, and just a fingerprint touch when changing the volume, no need to press buttons or adjust through tools. Simple and clear, perfect for seniors