This is a tabletop humidifier. It's also compatible with water-soluble aromas and aroma waters! It has an automatic shut-off function to prevent dry burning after about 4 hours! ・Easy one-push operation ・USB powered ・Gradient lighting ・Quiet operation 【Set Contents】 ・Main unit…1 ・USB cable…1 ・Replacement filter…1 ・Instruction manual…1 Although it is new and unused, there are stains and peeling on the outer box. Please check the images. 【6.7.8.9】 Please check the images and only purchase if you understand. Thank you for viewing. Humidifier, tabletop humidifier, Refre, dry burning prevention, aroma compatible, workplace, bedroom, gradient lighting