Bring the time honored tradition of aromatherapy wherever you go with our newly designed ultrasonic mini diffuser from natures truth! with its new sleek and modern design, this portable diffuser is the perfect travel companion and the petite size makes an attractive addition to any home, office or travel bag. No matter where you go, simply plug in to start enjoying an aromatic mist anytime and anywhere!runtime up to 5 hours on interval mist setting and up to 10 hours on constant mist setting.features:hometravelofficeinstructions for use:make sure diffuser is unplugged. Place diffuser on an even, flat surface. Slowly add water and essential oil (as directed in how to use guide). Take care not to spill. Enjoy your aromatherapy at one of the following locations!homeplug your ultrasonic aroma diffuser in any usb port around your home or use a usb adapter plug (not included) to plug into wall outlet to fill a room with your favorite scents.officeplug your ultrasonic aroma diffuser into any usb port or wall outlet (using any usb adapter) around your office for aromatherapy while you work.traveltraveling? taking a road trip? plug into any usb port in your hotel room for easy, on-the-go aromatherapy.1. Make sure diffuser is unplugged and on an even, flat surface. Use the usb port or usb cord extender to connect to a charging station or an adapter with a dc power voltage of 5v. Make sure diffuser is unplugged when filling with water and oils.2. Open top slowly and fill with distilled water. Do not exceed max fill line located 1/4 below top of water tank. Add up to 7 drops of essential oil(s) to the water. Please use essential oils with water and not synthetic fragrance oils. Never run diffuser with oil only. Dilute oils in water. Be careful not to drop, flip or shake upside down; especially when water is inside. Do not add more than suggested amount of essential oils or water, otherwise it will result in corrosion.3. Plug into usb power source. Once plugged in, choose diffusing options by pressing the power button on the base of the diffuser. When plugged in, 1 click begins continuous misting, 2 clicks provides a spray of mist every 10 seconds, and 3 clicks shuts diffuser off.4. After each use, unplug from usb and slowly empty any remaining liquid. Take care not to spill. Wipe the inside clean with a soft cloth. Do not leave stagnant water inside the diffuser.caution: keep out of the reach of children. Keep away from eyes. Leave unplugged when not in use. Do not place top piece of diffuser under water, as it contains electronic components.