Nebulizer Aroma Diffuser (Built-in Battery/Portable Type) It is waterless, lighted, compact and cordless, and can be easily carried anytime, anywhere. It can be used in the living room, bedroom, entrance, restroom, and even in the car! A quiet type that does not bother you with driving noise. < Specifications> ・Built-in battery (Lithium-ion battery: 3.7V 2,000mAh 7.4Wh) ・ Power source: USB-C (5V 3W) ・Charging time: about 4 hours (can be used inside) ・Operating time: 20 hours in total ・ Operating time: Intermittent operation only (automatic turn off after about 12 hours) * The following 3 types of operation modes 　　　　　　➀ 10 seconds ON ⇔ 150 seconds OFF Repeated intermittent operation ... Auto off after 12 hours 　　　　　　(2) 10 seconds ON ⇔ 120 seconds OFF repeated intermittent operation ... Auto off after 12 hours 　　　　　　(3) 10 seconds ON ⇔ 60 seconds OFF repeated intermittent operation ... Auto off after 12 hours ・Usage range: Approx. 10~30㎡ (approx. 6~18 tatami mats) ・Essential oil consumption: Approx. 0.1~0.4ml/h ・ Other functions: 9 colors of decorative lights can be switched ・Material: PP, ABS plating coating ・ Accessories: USB cable (type C / length about 1.5m) * Adapter is not included. 　　　　　　* Flavor Life essential oil 5ml / 10ml can be used (some bottles may not fit.) ） ・Size: φ75×H123mm / Weight: Approx. 320g ・Warranty period: 1 year from purchase