Bernafon- Zerena, Viron and Alpha. Oticon- Alta, Nera, Ria, OPN, Siya, More, Ruby, Real and Zircon. Each receiver wire on the casing has a small colour the denotes the side (Red -right / Blue- left) and a number ranging from 1-5 which indicates the length and also the number 60,85,100 for the power level.
