The B-sharp power chord (abbreviated "B#5 chord") is a two-note chord consisting of the notes B♯ and F. The chord is formed by removing the major third from a B-sharp major chord.
B-sharp power chord
B-sharp fifth chord
B♯omit3 B♯(omit3) B♯no3 B♯(no3)
Dyad (two-note chord)