Facebook recently introduced alert sounds, but if you don’t like them you can go to the Gear > Account Settings > Notifications > On Facebook, or click this. You can disable sounds entirely, or just customize which types of events trigger the sound.
Facebook recently introduced alert sounds, but if you don’t like them you can go to the Gear > Account Settings > Notifications > On Facebook, or click this. You can disable sounds entirely, or just customize which types of events trigger the sound.