1.Affordable waterless essential oil diffuser. Our patented waterless diffusion technology directly transforms your favorite essential oils into a "nano-spray" without heating or water. This is a natural, more convenient and safer alternative than conventional ultrasonic diffusers2.LED ambient lighting has 3 "effect" modes [breathing/flowing/constant]. Long press the light key to turn on ambient light; click can use 3 colors to rotate between 7 different effect modes. LED flashes red when battery is low, indicating charging is needed3.Wireless and Portable. Built-in lithium battery provides up to 9 hours of runtime The cylindrical body makes it easy for anyone to grasp. Enhance your vehicle's journey with a smelling experience as it fits most car cup holders4.Optimized for 500 sq. ft. room area. Enjoy a rich scent in your home, office, studio, bathroom, kitchen, even when you travel. Touch control includes 3 intermittent fog settings (low/medium/high) and 4 timer settings (1/4/8H auto-off and continuous)