Laifen Wave Electric ToothbrushIntroducing the world's first electric toothbrush with a 60 ultra swing technology! The Laifen Wave Electric Toothbrush features a powerful motor with a vibration frequency of up to 66,000 times per minute, ensuring a thorough and gum protective clean to easily tackle plaque ! Equipped with a servo system for precise control within 0. 1, it ensures every brushing session is effective. The lightweight design, coupled with an ergonomic and streamlined