- Ultrasonic Cool Mist Technology: Enhance your environment with our essential oil diffuser, designed to purify the air while providing soothing moisture. Use water-soluble essential oils to eliminate unpleasant odors and improve air quality, making it ideal for use during sleep or work. - User-Friendly Operation: Simply unscrew the cover, fill with regular tap water, reattach the cover, connect the USB power supply, and press the switch. For optimal performance, ensure the device is dry when not in use. Please note, essential oils are not included. - Compact Dimensions: With a size of 100 x 100 x 250 mm and a humidifying capacity of 300 ml/h, this diffuser is perfect for spaces between 11-20 square meters. The water tank holds 180 ml, providing a sustained mist output of 35 ml/h. - Safety Features: The automatic shutdown function ensures the device powers off when water runs low, enhancing safety during use. You can set the device to turn off automatically after 4 or 8 hours of operation. The night light and humidification functions can be used together or independently, making it versatile for any time of day. Use Scenarios: 1. Create a calming atmosphere in your bedroom at night with soothing mist and soft lighting. 2. Improve air quality in a home office by using the diffuser during work hours to reduce dryness and enhance focus. 3. Freshen up your living room during gatherings by diffusing pleasant scents and maintaining comfortable humidity levels.