Get more out of your daily brushing routine with Equate Galaxy Pro Sonic Toothbrush. Compare to Philips Sonicare 2100 electric toothbrush. This brush is designed to provide a comprehensive clean with sonic technology that ensures a thorough, powerful clean, removing more plaque than a manual toothbrush. Features a long lasting rechargeable Li+ battery that provides up to 21 days of use. The Bacteria Defense bristles help keep the brush clean for up to 3 months (inhibits microbial growth that may affect the bristles. The bristles do not kill bacteria in the mouth or protect you against disease. Always clean the product thoroughly after use), while the Replace-Me bristles fade with use to remind you when to replace your brush head. User-centered featuring a 2-minute timer with 30-second quadrant indicator to help maintain uniform brushing time. Comes with recharge indicator and includes a USB charger for convenience. For optimum hygiene, replace your toothbrush heads every 3 months.