Hearing Amplifier - Set of 2 - Aid your Hearing - Behind the Ear Digital Device With Protective Case - Non Rechargeable - Aids With Hearing Impaired and Loss - Helps Mask Tinnitus - Resounding Technology Will Aid with Voice Clarity - High Quality and More Affordable than Lyric, Ite, Siemens, Phonak, Oticon, Starkey and Beltone