Features: 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: Casual. Capacity: 220ml. Spray Volume: 20-40mL/H. Working Voltage: DC 5V. Working Power: 2W. Working Current: 400mA. Noise: 20dB. Night Light: Support. Occasion: Home, Hotel, School. Package Size: 10.8*8.8*8.8 cm / 4.25*3.46*3.46 inch. Package Weight: 130g / 0.28lb. (Note: 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.) Package List:1 * Mist Humidifier, 1 * USB Cable.