Description : Comfortable grip , more portable and more convenient to carry . 5 transition modes : 5 transition modes , easy to adapt for the first time , tailor - made brushing experience for you . Inductive charging : Super battery life , continuous use for 45 days , the first recommended charging time of 20 hours . 0 . 15mm DuPont bristles : High quality DuPont bristles , soft and comfortable , do not hurt gums . IPX7 waterproof : Seamless body , better waterproof effect . Can withstand water flow cleaning , However , for the longer service life and safety of this electric toothbrush , it is recommended not to brew in water for a long time . Specification : Colour : White / Pink / Blue Age Group : Adults Toothbrush head length : 2 . 99inch / 7 . 6cm , total toothbrush length : 8 . 58inch / 21 . 8cm Material : ABS Waterproof : IPX7 Brush material : 0 . 15mm DuPont Power mode : inductive charging Modes : 5 modes Package Includes : 1x electric toothbrush 1x USB charging cable 1x storage box 1x manual 4x brush head