RIC and BTE are two different types of hearing aids.
BTE stands for behind-the-ear hearing aids. With BTE hearing aids, the speaker and all other electronic components are inside the hard case. BTE hearing aids offer powerful sound amplification. They are also less susceptible to moisture and wax. The size of the hearing aid is larger, which is a benefit for someone with dexterity issues.
RIC or receiver-in-the-canal hearing aids are designed differently. With RIC devices, the speaker is enclosed inside a flexible ear dome or earmold. This allows for a smaller hearing aid structure. Sounds tend to be very clear and intact with RIC hearing aids, as the speaker is next to the ear canal. They work well with high-frequency hearing loss.