About This Item 4 Replaceable Brush Heads: 4 soft brush heads easily replaceable when needed. Powerful Cleaning: 42,000 vibrations per minute (VPM) deep and thorough clean, reaches hard-to-reach areas. Sonic technology removes stains effectively. Customizable Modes: 6 cleaning modes (Sensitive, Gentle, Clean, Massage, Gum Protection, Whitening). Smart timer 2 minutes, evenly divided between four quadrants. Convenient Charging: USB rechargeable no need for batteries. Fast charge technology. IPX7 waterproof safe for shower or bath. | Ventryn Unisex Electric Toothbrush Rechargeable 4 Heads 6 Modes Rotating Power in Black | Size: 1