The Oticon NERA PRO Set Pair of Left & Right grey Hearing Aids is a high-quality product designed for individuals seeking reliable hearing assistance. These hearing aids are powered by batteries. The Oticon NERA PRO model is specifically designed to fit both ears, providing a comfortable and discreet solution for everyday use. View small chip visible. With its reputable brand and advanced features, such as a replaceable battery, these hearing aids offer a convenient and effective option for those struggling with hearing loss. In accordance with FDA requirements, this product has been properly cleaned and will be labeled as used upon delivery. Cleaned and tested.