Aroma2Go Mini Gaius Aromatherapy Essential Oil Diffuser Hand Blown Glass - Colorful LED White Glow - 60ml Capacity & Safety Auto-Shut Off Feature Our Mini Gaius glass diffuser is one of a kind and will fit stylishly into any living quarters. It runs constantly on one fill of water for roughly 4 hours straight. You have the choice of running this with an white LED glow or no light. It is extremely easy to fill with water and its motor is silent. Great for any small space. Add to your bathroom and not only have a refreshing blast of essential oil aroma, but a decor piece. HIGHLIGHTS: Easy 1 button operation Auto Shut Off safety feature 60mL Water Capacity Great for Small Spaces USB Powered (cord included), can also be plugged into a USB wall AC adapter LED Color-Changing Lights Cold Mist Diffusion BPA Free Total Run time of 3-4 Hours before auto shut off on a full water fill DIMENSIONS: 4.75" x 4" x 4.75"