Power toothbrush smart toothbrush series oral b smart series oral b crossaction colours blue white number of brush heads 3 included in delivery travel case storage box pip code 12395529 power type rechargeable brushing action rotating oscillating pulsating pulsations per minute 40 000 rpm rotations per minute 8 800 rpm functions 3d cleaning technology bluetooth timer pressure control cleaning modes 4 cleaning programmes gum protection sensitive whit