D3 is a high-end, high-quality, full-featured oral care toothbrush set, which includes a toothbrush mainframe, a travel storage box and a brush head disinfection and cleaning box, providing users with a thoughtful and comprehensive product experience. The design of the host combines elegant new Chinese aesthetics with a series of excellent oral care functions such as "cleaning", "whitening", "gum care" and "massage". The overall shape adopts conic surface design, and the surface adopts elastic coating, which makes the hand feel friendly and comfortable. The gold decorative ring in the middle is not a simple decoration, its original intention is to avoid slipping in the process of brushing teeth.