- Three sizes of Fin earbuds (S, M, L)
- Four sizes (S, M, L, XL) of Ergo earbuds
- Two sizes of tree earbuds (S, L)
- One pair of round earbuds (one-size-fits-all)
Any other pack comes with one style of earbuds, in the size ordered. Please note that the round earbuds only come in a single size.