Sound Enhancement Amplifier It can be used for sound Amplifier, When you watch movie, enjoy the drama, attend meeting, or have classes, the product can help you to hear the sound clearly and loudly; Great hearing aid for hearing impairment person to communicate with others easily Wearing Mode Behind-the-ear The sound enhancement hearing aid amplifier combines a cosmetically appealing look with the smooth sound an internal speaker; Filter out unwanted noise caused by airflow or wind, Deliver direct, powerful, and smooth sound right into your ear, Moisture resistant provides durability to most forms of moisture and wear; Wireless, more convenient and safety; The hearing aid also provides improved technology for reduced electromagnetic interference. This hearing aid is suitable for severe hearing loss people. This mini hearing aid is small enough to fit easily in your pocket or handbag.