The Aroma-Sidekick™ is an innovative design for diffusing essential oils. The powerful and silent fan projects a healthy dose of essential oil aroma. Power features are two AA batteries and an USB adapter. Unit comes complete with a USB Cord and one refill aroma pad. Enjoy the benefit of pure essential oils by placing a few drops on the absorbing pad. Safe for travel, performs without heat or water. Creates a fragrant and healthy environment with the touch of a button.