Aromatherapy Air. Contains 1 diffuser, 1 empty bottle and 5 replacement wicks. Pure essential oils. A portable, cool-wind essential oil diffuser. No water required. Positive change project. Bring aromatherapy into your everyday space. This simple, portable diffuser uses a quiet fan to diffuse essential oils into your personal space at home or in the office. Features: Portable USB operation; on/off button; cool-wind diffusion; no water required; 1 empty bottle and 5 wicks included. Specifications: Dimensions - 3.75 in. x 4.1 in. x 3.75 in.; coverage - 160 sq. ft; power input: DC 5V 1W; USB plug. For a complete list of Aura Cacia essential oils and diffusion tips, visit www.auracacia.com. For general inquiries and technical support, contact customer service at 212-739-7898. www.Auracacia.com.