Best answer: Powerbeats Pro come with four different sized ear tips so you can customize your fit. They range in size from 7mm to 12mm. There are two tip pairs that are considered small but have different designs, and so fit differently in your ear. If you lose your ear tips, you can always replace them.Delightful sound: Powerbeats Pro ($250 at Apple)Replacement tips: JNSA Replacement Tips ($7 Amazon)