Belle USB Charged Portable Nano Atomization Humectant Steamer Mini Mist Sprayer for Facial Moisturizing Care APPLICATIONOnly used for distilled water or purified water. Do not mix any oil liquid, lotion, toner or any substance with water together. The mist came out in cold and fine,which can make your skin calm , best companion in your summer for keep cooling. WORKING PRINCIPLE:By adopting high-tech nano chip control technology (aqueous) and special process vibration technology to make the essence microminiaturize and split into fine particles, it can permeate the skin pores rapidly into basal cell layer to achieve better absorption of skin. MOISTURIZING EFFECTIVELY:The spray atomization could be effectively and deeply absorbed and produce the excellent effect of skin retain moisture,only 40 seconds using Nano Steamer can achieve sustainable moisture hydration of 24 hours. COVENIENT&PRATICAL:Suitable for dry skin,neutral skin,sensitive skin, oily skin, best for personal face care, and the great gift for beloved.Handy shape, lightweight, available for taking it along to anywhere. WORKING MODE:Built-in 500mA of lithium battery,USB Rechargeable , economically and eco-friendly, 40s every time, available for 100 times after full charge of 2 hours.