Peace, mercy, and blessings of God be upon you. There are new, unused in-ear hearing aids for both the right and left ears for hearing loss. Number of channels: 16 channels, considered among the strongest channels for sound clarity. The hearing aids are new and unused with all their accessories, suitable for all ages, young and old. And for those with mild, moderate, and severe hearing loss. They have a programming feature that can be programmed according to the level of hearing loss. And whoever is serious, God willing, we will not fall short with him.