Daily dirt such as sebum, sweat, dust in the air, and sand will cause rust on your glasses and watches, making your clothes dirty and cause rashes and accelerate deterioration. Ultrasonic vibrations and cleaning liquids help remove these stains that are not only removed by water. [How to use] (1) Fill the ultrasonic cleaner with water to the standard line of the ultrasonic cleaner and add this product with a single push. (2) Stir and dissolve, put the item you want to clean and start cleaning. (3) After cleaning, rinse with water and wipe with a dry cloth.