Electric Toothbrush Set, Comes with 8 Brush Heads & Travel Case,4 Modes with 2 Minutes Built in Smart Timer, One Charge for 60 Days, 42000 VPM Motor (Black)[Sonic Vibration Technology]: Equipped with a metal shaft that generates vibrations up to 42,000 times per minute, the C2PRO effectively removes plaque, whitens teeth, and promotes oral health. Its sound is reminiscent of a sports car, unlike the typical noisy plastic shaft of other toothbrushes. [4 Modes]: This toothbrush offers four distinct modesClean, Whiten, Soft, and Superallowing you to select the best mode for your needs. The vibration