1Can amplify the sound, help you hear the sound clearly and loudly, whether indoors or outdoors. 2Mini size, light weight, comfortable to use and not easy to be found, give you confidence. 3The ear amplifier allows the user to comfortably modify the volume and pitch for optimal hearing. 4In-ear design, fit the ear canal, not easy to fall off, you can wear it all day with no pain. 5Suitable for watching movies, enjoying plays, attending conferences or attending classes, help you hear sounds clearly.
