Philips Sonicare 6100 ProtectiveClean Rechargeable Toothbrush, White (2 pk.) ProtectiveClean 6100 Rechargeable Electric Toothbrush delivers up to 100% fewer stains in just seven days to whiten your teeth in just one week versus a manual toothbrush. Brush heads wear out over time. The brush head replacement reminder tracks how long you have been using your brush head and how hard you have been brushing. It will beep to inform you when to replace your brush head. Customize your own brushing experience with three intensity settings and your choice of three modes: Clean, White and Gum Care. The easy-start feature slowly increases the brush's power as you get used to the Sonicare experience. The smart timer encourages a full two-minute brushing time as recommended by your Dental Professional. The battery charge indicator light lets you know when to recharge with a 2-week battery life. Includes 2x handles, 2x chargers, 2x travel cases, 3x brush heads.