The Porodo Lifestyle Aroma Sphere Waterless Diffuser is sleekly built and really innovative in creating a soothing ambiance indoors. Ergonomically designed and with a 10mL bottle capacity, this waterless diffuser makes use of cold diffusion technology to spread your favorite essential oils with no water usage at all, thus being mess-free and easy to use. It comes with a 1200mAh battery for long working hours, up to 7 days without interruption from one charge. Charging time: 4 hours via the handy Type-C charging interface. Coverage area: The diffuser will cover areas starting from 10 to 50m², thus being ideal for small and medium-sized rooms. It provides three mist modes to create one's desired atmosphere by adjusting fragrance intensity according to one's mood or environment. Perfect for either home, office, or even traveling, the Porodo Aroma Sphere effectively blends practicality with modern design to create a continuous aromatherapy experience. Specification Battery Capacity: 1200mAh Recharge Time: Up to 4H Working Time: Up to 7 days Charging Interface: Type-C Area Coverage: 10-50m2