PHILIPS White Light Blue Sonicare ProtectClean Plus [Electric Toothbrush (Vibrating)] HX6839/30

* Strength settings: 2 levels * Brushing modes: Clean, White * Charging time: Approximately 48 hours * Power source: Rechargeable (uses dedicated charger) * Usage time: Approximately 2 weeks (based on 2 minutes of brushing twice a day after a full charge) * Rated voltage: AC100-240V, 50/60Hz (compatible with overseas voltages) * Dimensions (H x W x D): Approximately 252 x 31 x 28 (mm) (with White+ brush head attached) * Weight: Approximately 133g (with White+ brush head attached) * Included items: Handle, White+ brush head, charging base Sonic technology works by using high-speed vibrations of approximately 31,000 strokes per minute* to loosen plaque, and the wide amplitude of the brush head sweeps away the loosened plaque. At the same time, these movements generate a "sonic water flow" in the mouth, which gently and effectively helps to remove plaque. *According to Philips research Removes up to 7 times more plaque than manual brushing* The densely packed bristles remove up to 7 times more plaque than manual brushing*. *When using the White+ brush head/Clean mode/According to Philips research Naturally whiter teeth in about 7 days* The densely packed diamond-shaped bristles remove stains in about 7 days*, leading to naturally whiter teeth. *When using the White+ brush head/White mode/compared to manual brushing/According to Philips research (results may vary individually) Promotes gum health The densely packed bristles remove plaque from the gum line, promoting gum health. The curved bristles also easily reach back teeth. Two modes to choose from Clean mode for your preferred brushing method Clean mode thoroughly removes plaque with normal brushing. White mode is effective in removing stains (discoloration) from the tooth surface.