Philips HX9924/17, Adult, Sonic toothbrush, Daily care, Deep clean, Gum care, Refresh, Whitening, 62000 movements per minute, Black, 2 min Philips HX9924/17. Purpose: Adult, Toothbrush type: Sonic toothbrush, Teeth brushing modes: Daily care, Deep clean, Gum care, Refresh, Whitening. Power source: Battery, Battery type: Built-in, Battery technology: Lithium-Ion (Li-Ion). Weight: 33.5 oz (950 g). Package width: 6.85" (174 mm), Package depth: 4.37" (111 mm), Package height: 9.92" (252 mm). Number of handles included: 1 pc(s), Number of brush heads included: 4 pc(s) https://www.toptenreviews.com/electric-toothbrushes-philips-sonicare-diamondclean-review If you're someone who looks for the top of the line, the Philips Sonicare DiamondClean Smart delivers. Because its downloadable app has so many coaching and tracking features, Philips Sonicare markets this toothbrush as a “complete oral care solution.” T... It has built-in pressure and scrubbing sensors, and it comes with an intuitive app for personalized coaching and tracking It's the most expensive electric toothbrush we tested, and its Deep Clean+ mode may feel too intense, especially if you have sensitive teeth The Philips Sonicare DiamondClean Smart is a premium electric toothbrush that comes at a premium price. High-tech and refined, it includes Bluetooth capability and personalized coaching to help you meet your oral health goals... https://www.techgearlab.com/reviews/health-wellness/electric-toothbrush/philips-sonicare-diamondclean Performance Comparison The smooth, matte finish on the DiamondClean gives it a great ergonomic feel. Cleaning Using a side to side style brush head clocking in at 31, 000 movements per minute, the DiamondClean scored slightly above average in our cleani... Stylish, lots of accessories included, comfortable, Expensive All in all, this is a strong performer and fits in its place as the highest-end model of all the Sonicare toothbrushes, It looks great, and has some neat additional accessories like the rock-solid charging base and travel case with integrated charger. Unf...