1. 【Water column ergonomic nozzle】: Water column is a relatively suitable water column, too much water column cannot clean between teeth, too small water column and too much force will damage the gums.^ 2. 【Easy to use】: just twist the bottom of the test tube counterclockwise to open and fill with water, clean teeth and gums with one button.^ 3. 【No need to charge】: just fill the water tank (70 ml) and press the button to the insert, pocket size is convenient to carry and travel, and replace the toothbrush as a travel product.^ 4. 【Effective cleaning】: Slightly dirt and food particles between the teeth and under the gums, performs deep cleaning, and cannot remove clean silk on a regular basis.^ 5. 【The perfect gift SPA】: You can have a comfortable beauty SPA at home or while traveling. The best gift for friends and family, very suitable for use in the office, gym, family or use in business and vacation