A# sus2
The A# sus2 chord consists of the A# (Perfect unison), C (Major second) and F (Perfect fifth) notes.

How to play the A# sus2 chord
- Find A# (Root) on the piano keyboard
- Add C (Major second) — 2 semitones above A#
- Add F (Perfect fifth) — 7 semitones above A#
- Press all 3 notes simultaneously to sound the A# sus2 chord