Philips HX6062/13 W2 Optimal White brush heads Advanced cleaning for stain removal and whiter teeth. The W2 Optimal White brush head is ideal if you are looking for a thorough cleaning that removes stains and discoloration for a radiant white smile. This brush head also helps keep your teeth white between professional whitening treatments. Features - Number of brush heads included: 2 piece(s) - Product color: Black - Brush stiffness: Medium - Mobile app support: No - Replacement: Yes - Suitable for: Kids - Smart mode pairing: Yes - Compatibility: 2 Series plaque defence2 Series plaque defence3 Series gum healthDiamondCleanDiamondClean SmartEasyCleanEssenceFlexCareFlexCare PlatinumFlexCare Platinum ConnectedFlexCare+for KidsHealthyWhiteHealthyWhite+PowerUpProtectiveClean - Brush stiffness: Regular - Brush head system: Click-on - Brush reminder: Blue bristle colour fades away - Toothbrush size: Standard - Whiter teeth: Whiter teeth in just one week - Tested: for optimal usage