* Type A, Type B and Type C and the foam types come in three sizes – S/M/L
* Type E comes in five sizes – SS/S/M/L/LL.
* Type C comes in BLACK and BROWN only.
* With Type E (CLEAR red axis), the earbud is transparent, while the axis is red (to distinguish between sizes, the LL, M and SS sizes are pink). Compared to the black, the clear version of Type E differs slightly in terms of surface fluency and hardness, and the degree to which they are airtight changes slightly; owing to this, bass tones become a little lighter, high-pitched tones sound clear, and the sound tends toward clarity.