meaning for 椭圆 tuǒyuán:

  • - oval
  • - ellipse
  • - elliptic

ěrsāi耳塞
tóu
búshi不是
yuán
de
érshì而是
tuǒyuán椭圆
de
suǒyǐ所以
dàizhe戴着
tèbié特别
shūfu舒服

The tips are oval instead of round, and therefore extremely comfortable.