Product highlights: a spray and a wipe, lipstick size, easy to carry, reusable, it can be used after cleaning and drying. Function: clean touch screen, suitable for cell phones / tablets / iPad / touch screen / computer monitor Advantages : light fragrance, a spray and wipe, convenient and practical. Using methods ; 1: Spray the cleaning agent nozzle onto the screen 3.9 inches away from the screen. 2 : After wiping, Refreshing without fingerprints Reminder: please contact us for a full refund if there is a quality problem. If you have any questions, please feel free to contact us through Amazon email system.