Here is an Alexa compatible fragrance diffuser that lets you disperse scents in your rooms on a schedule. The Aera Mini Smart Fragrance Diffuser has 5 settings for your to choose from. The fragrance lasts for up to 800 hours at level 3.
You can monitor fragrance life, schedule scents, and control other settings on your phone. Simply put your favorite capsule inside, and you are ready to go. The device uses a low noise motor to disperse the scent.