Shipping is free. About this item: - Clinically proven superior 3D cleaning oscillates and pulsates to break up and remove up to 300 percentage more plaque along the gum line than a regular manual toothbrush - The pressure sensor stops the pulsation movement if you brush too hard and the in handle timer helps you brush for a dentist recommended 2 minutes - 1 Mode, Daily Clean, rotates to break up and sweep away plaque. Bristle Type: Soft - Compatible with Oral-B brush heads for every oral care need: CrossAction, FlossAction, Precision Clean, 3D White, - - Sensitive Gum Care, Deep Sweep, Dual Clean. Does not fit iO brush heads