Philips took their already great Hue White smart bulbs and made them better by adding the ability to adjust their color temperature from 2200K to 6500K. They're also adding in a new Routines feature for the Hue app, allowing you to have the bulbs adjust their brightness to help you wake up and fall asleep. And like the current Hue White Starter kit, the new White Ambiance Kit works with Apple HomeKit/Siri.