Smart tracking function for brush-free toothpaste routine.The unit is Bluetooth 4.0 compatible and works with a dedicated smartphone app, with excellent brushing spot detection technology to visually support your toothpaste.It also records daily tracking results and suggests an optimal brushing method based on the history of the Toothpaste trend (5 modes).The battery has a high capacity 800mAh for overwhelming time and charging via USB such as PC.And the smart timer. Go ahead and get an unprecedented toothpaste routine with smart tracking.