Product Description: {1}:4 replacement heads for 1 year - electric toothbrush with 4 premium bristles. As we all know, bristles are recognized as the highest quality oral care bristles in the industry. In particular, the 3D design of the brush head fits the teeth better and cleans more thoroughly. Remind you that the bristles will fade and let you know when to replace the brush head. It also includes an electric toothbrush cover. {2}:5 high performance modes and built-in timer - the electric toothbrush can store 5 high performance modes to meet any oral care needs of adults and children. Usually, it's easy to get distracted and misjudge the time when brushing your teeth. Therefore, dentists recommend that too few people brush their teeth within 2 minutes. Built in timer helps you concentrate, track and brush your teeth at the right time. Count down from the moment you turn on the brush, and it will remind you when your 2 minutes are over. High frequency vibration electric waterproof toothbrush - rechargeable electric toothbrush, high vibration, fully waterproof, can be used in the bath to provide comprehensive and thorough cleaning. It can enter the inaccessible areas between teeth and gum line, penetrate the between teeth, remove more surface stains around gums and between teeth, and remove more surface stains on teeth at the same time. Product Name: electric toothbrush Product gear: 5th gear Rated power: 1W Rated voltage: 5V Charging time: more than 4 hours Product colors: 6, as shown in the figure Endurance: about 15 days Waterproof: Yes Product size: 21cmx2.5cm Products include:1X Support handle;4X Toothbrush heads