The offered Nano Mist Sprayer with Power Bank 2000 mAh is a very useful routine skin care tool. It applies a quick supplement of moisture to your skin, relieves dryness due to the air conditioned environment or dry climate, and provides a refreshing cool down under hot sunshine. It uses ultrasonic oscillating technology to dissolve the nano molecule in water so that the skin absorbs it instantly. The offered Nano Mist Sprayer with Power Bank 2000 mAh is very efficient and made for commercial uses.