1. Digital rechargeable hearing aid: This hearing aid adopts digital circuit design, which can effectively suppress surrounding noise and audio interference, provide clearer and more stable sound amplification effect, and provide assistance for people with poor hearing. 2. Sound Amplifier: This hearing aid adopts sound amplification technology, which can amplify the surrounding sound, allowing users to hear the sound more clearly and improve their hearing level. 3. High-quality hearing aids: This hearing aid uses high-quality materials and technology, and the earplug part is made of soft and comfortable materials, which is comfortable to wear and increases the wearing time. At the same time, the hearing aid also has a high-sensitivity and high-reduction sound collection function, which can effectively improve the hearing effect. 4. LED display: This hearing aid is equipped with an LED display, which can clearly display the power of the hearing aid and the current setting status, which is easy to understand and easy for users to grasp the use of the hearing aid. 5. Applicable people: This hearing aid is suitable for the deaf, the elderly and people with poor hearing. It can help them better participate in social activities and daily communication, and improve their quality of life.