Review: Philips Sonicare DiamondClean Smart - Does a Toothbrush Need Bluetooth?

Find on Amazon: Philips Sonicare has long been (arguably) the best electric toothbrush. Does adding Bluetooth make it better? AppleInisider checks out the Sonicare DiamondClean 9300 model (and even compares it to the 9500 and 9700) to find out. Read the full review on AppleInsider: -- Our video gear: