The VOS project consists of heart-rate monitoring compression smart shirt, transmitter, tray and scent diffusing cartridge. The user could set up their personal workout menu and coordinate it with their scent preference. They can determine the scent setting being diffused via smartphone. 

Basically, the scent could work as a reminder, bringing the aromatherapy value, creating a personal atmosphere of various environments, and transferring your attention away from unpleasant odors.