Philips Sonicare 4100 Plaque Control Rechargeable Electric Toothbrush : Target
User manual Philips Sonicare ProtectiveClean 4100 Sonic HX6812 (English - 72 pages)
Amazon.com : Phillips Sonicare Sonicare ProtectiveClean Removes up to 7x More Plaque, Long lasting 4 day Battery Life Rechargeable Electric Toothbrush, White/Grey : Health & Household