PORTABLE. Small, palm sized, essential oil diffuser with LED soft blue lighting. Use for aromatherapy on the go. PERSONALIZED AROMATHERAPY. Promote a healthy fragrant environment in your personal area. INCLUDES ABSORBING FRAGRANT PADS. A plug-in oil diffuser includes three(3) replaceable micro-absorbing fragrance pads. RUNS SILENTLY. Essential oil diffuser runs a silent fan that broadcasts a fragrant aroma scent using your favorite essential oils. USB or BATTERY POWERED. Runs on an included USB cable. Plugin to the USB port on a Mac or PC. Also runs on 2 AA batteries.