Unvaried Size, Elevated Experience: Housing a 500ml water tank(enlarged capacity with size unchanged), this essential oil diffuser takes up fewer spaces and delivers longer-lasting fragrance than via a standard diffuser, which runs up to 15 hours in one fill on low mist and 8 hours on high mist. 100% Pure Essential Plant Oils Included - Top 6 essential oils extracted from native plants sourced around the world are well packed in amber 10ml jars to protect from sun degradation. Strict quality standards are applied throughout the entire production process,no additives, and no fillers. Ultrasonic Aromatherapy Diffuser atomizes water and oils through ultrasonic vibrations which best preserves the integrity and the original properties of the essential oil since they are not heated and burned. 23dB Ultra Silent: Adopted an advanced ultrasonic technology, this essential oils diffuser operates at a volume no louder than 23dB without noisy beeps, meaning that it won't disturb your sleep in any unpleasant way. Set it, Forget it: The ultrasonic aroma diffuser features 4 timer settings to offer a personalized experience during at-home yoga sessions, working or sleeping. You can enjoy the soothing benefits of aroma without worrying about turning it off. Built-in Auto-Shutoff Sensor: Automatically shuts off the oil diffuser once the water tank is empty, so you can leave it running overnight in total peace of mind. 14 Colored Night Light Options for Ambiance: The light mode can be optionally turned on and you can choose from gradual or fixed color with either a bright setting or dim setting to decorate your romantic night. Diffuser With Essential Oils Set for Gift: Use the essential oil diffusers with your favorite aroma oils to relieve stress or anxiety, promote deeper sleep, or simply create a calm, relaxing atmosphere. Also ideal as a handy gift for birthday, wedding, Valentine’s Day.