Here are some features of the product: 1. CIC design: The product adopts CIC (Complete Inner Ear) design, which can be completely placed in the ear canal and is almost invisible. This design increases the invisibility and comfort of the product. 2. Suitable for the elderly: The product is specially designed for the elderly, with optimized features for the hearing needs and usage habits of the elderly. 3. Charging function: It adopts rechargeable battery, no need to replace the battery frequently, which is convenient and worry-free. Users only need to put their hearing aids into the charging box to charge them. 4. Sound Amplifier: This product has a powerful sound amplification function, which can enhance hearing and provide a clear and realistic sound experience. 5. Accessory accessories: The product may come with some accessories, such as earplugs of different sizes, cleaning tools, etc., to increase comfort and convenience, and provide better hearing effect. 6. Comfort and Adaptability: The product is designed for comfort and takes into account the shape and size of the ear canal. At the same time, the product may have functions that can be adjusted according to user needs to ensure the best wearing experience and hearing effect.