Philips Sonicare A3 Premium All-in-One, Genuine Replacement Toothbrush Heads, Black, 2 Pack, HX9092/88 Digitial Display: N Electric: N Rchargeable: N Sensitive: N Whitening: N World Wide Voltage: N Remove up to 20x more plaque than a manual toothbrush, the best of Philips Sonicare: effective whitening, plaque removal plus better gum health This brush head with multi-angle bristles keeps plaque removal on course no matter your technique. Achieve up to 100% more stain removal in 2 days: the brush head includes triangular bristles to increases surface contact cleaning stains effectively Get up to 15x healthier gums in six weeks: the side bristles of this brush head are extra-long to keep your gum line brushed Proven Sonicare technology cleans gently yet effectively with up to 62,000 bristle movements; driving fluid between teeth. Click-on design: Philips Sonicare A3 Premium All-in-One brush heads fit all Philips Sonicare handles5 You'll know when it's time to change the brush head thanks to BrushSync™ replacement reminder (compatible handles) The set includes: 2x A3 Premium All-in-One brush heads, black