Clean & fresh. Removes 100% more plaque (in many of the hardest to reach areas versus a manual brush). Floss-clean bristles with specialty freshening cup. New. Color-Wear Bristles: Remind you to change your brush head every 3 months (or when blue and green bristles on spinning head fade). Time to replace! www.armandhammer.com. www.spinbrush.com.au. Questions? North America 1-800-561-0752, M-F 9 am - 5 pm ET. Made in China.