head·band /ˈhɛdˌbænd/
  頭巾,頭飾帶
  Head·band n.
  1. A fillet; a band for the head. “The headbands and the tablets.”
  2. The band at each end of the back of a book.
  ◄ ►
  headband
       n : a band worn around or over the head; "the earphones were
           held in place by a headband"