✨【Upgraded Chip & Intelligent Noise Reduction】Adopting advanced digital signal processing & dual noise reduction technologies, Our invisible hearing amplifier can accurately locate the sound source, and capture clear, high-quality, natural sound after intelligent processing, restoring true sound quality and protecting your hearing. Recognizes and enhances human voices based on the environment without manual adjustments, allowing you to communicate with others unimpeded..🔋【Long-Lasting Battery Life】Our hearing amplifier for seniors rechargeable adopt magnetic suction charging, making charging convenient and fast. With a built-in high-capacity battery, the hearing amplifier has a long battery life without replacing the battery frequently, saving you lots of unnecessary trouble. The hearing amplifier can be fully charged in about 2–3 hours and last 20 hours.It comes with a portable storage case,avoiding losing it by putting it in pockets or other places..🦻【Easy to Use】Our hearing amplifier are easy to operate and can be used independently by the seniors.Press and hold the Memory switch for 3s to turn ON/OFF.It automatically turns off when put into the charging box. Short press the Memory switch to change the mode – normal/noise mode. Choose right modes for different scenes, helping you better adapt to the environment.In addition,you can control the volume according to your needs.Press up to increase the volume and down to decrease the volume..🎧【Two ways of wearing】There are two different ways to wear the rechargeable hearing amplifier for adults, so you can choose the right one for you. The advantage of the first way is that it fits closely to the ear canal and can receive more sound details.The advantage of second way is that very concealed and almost invisible.Our earbuds are made of skin-friendly silicone, soft and comfortable, ideal for long time wear. Both of the two wearing ways provide earplugs of different sizes for you.