60 Brushes per charge* *2 minute brush cycles, twice daily. We moved our motor closer to the brush head to deliver power where it counts This highly effective Sonic Toothbrush uses patent-protected 'Precision-Power' technology for focused power delivery at the brush head. This brush will remove surface stains and will deliver superior plaque removal** **Compared to a manual toothbrush. Thoughtfully designed for a lower footprint The Waken Sonic Toothbrush handle is made from post-consumer recycled plastic and waken replaceable brush heads are made from bio-plastic produced using 100% certified renewable energy.