Starter kit included the Hue Bridge and (4) A19 White & Color Ambiance Hue bulbs. Forms the basis of the Hue Personal Lighting System, and has Bluetooth capabilities. Features all shades of white and colors to choose from. Allows the user to paint with light and change the mood with the press of a button. Customize daily routines with preset shade of white light to help energize, relax, or concentrate throughout the day. Control lights when away from home by turning on & off or setting lights to come on at pre-set times. Also syncs to music and movies by lighting up to the beat - transforms any room into a dance floor or expands your television experience. Compatible with Alexa, Apple HomeKit, Google Assistant, Nest, and SmartThings.