Features:[Cool Mist]Safely moisturizes the air for continuous operation so you can breathe easy and get more restful sleep.[Eco-Friendly]No need for batteries or extension cords, this mist humidifier has a convenient USB interface.[Safe]The cool mist humidifier will automatically shut off when the water level is low, or the water tank is removed.[Widely Applicable]Provides cool mist coverage for bedrooms, offices, and other medium-sized rooms, make you feel the more cool mist.[LED Light]This cool mist humidifier has a color-changing rainbow-like glow that creates a peaceful ambiance while delivering a soothing mist. Specifications:Color: White;Pink;Green (Optional)Material: ABS, PP, Silicone, Electronic ComponentsStyle: CasualCapacity: 220mLSpray Volume: 20-40mL/HWorking Voltage: DC 5VWorking Power: 2WWorking Current: 400mANoise: 20dBNight Light: SupportOccasion: Home, Hotel, SchoolPackage Size: 10.8*8.8*8.8cm / 4.25*3.46*3.46inchPackage Weight: 130g / 0.28lbPackage List:1 * Mist Humidifier1 * USB CableNote: Adding essential oils (not included) will harden the cotton swabs, resulting in a shorter lifespan. After use, you can fully clean the cotton swabs and nozzles to reduce the loss.