•【Waterfall Microbubble Technology】The Glracd water flosser simulates the natural flow pattern of a waterfall,with each stream composed of tiny water bubbles,forming a complete 0.64mm ultra-fine water jet.This jet is both powerful and gentle,pulse frequency up to 1600-1800 times per minute,effectively removing 99% of food particles from between teeth while effectively alleviating the irritation caused by straight flushes.You will love using our flossers for teeth