Take your essential oils everywhere with Plant Therapy's Portable Diffuser, Travel Essential Oil Blend, and Travel Pack! This portable ultrasonic diffuser can go with you anywhere and diffuse for up to three hours continuously on battery power alone. With an easy USB charging option and 50 mL reservoir, you can slip this diffuser into your cupholder, plug it into USB power, and enjoy continuous diffusion until the water runs out, or select one of three intermittent diffusion settings. When plugged in, this diffuser will last up to 4-5 hours in continuous mode or 8-10 hours in intermittent mode. This sleek diffuser also comes equipped with a USB cable, power cord adapter, convenient carrying case and exclusive Travel Essential Oil Blend! The unique blend is KidSafe, Pup & Pony approved, colorless (in case of spills), and helps promote focus and clarity while soothing the occasional upset stomach due to motion sickness.