Control your light fixture from anywhere with the white and color ambiance Hue A19 Bulb with Bluetooth from Philips, provided here in a pack of three. These bulbs can be controlled via the Hue Bluetooth app, Hue app, or the Hue Bridge (available separately). When connected to an app or a Bridge, you'll be able to turn the bulbs on and off, as well as create customized schedules with an iOS or Android device. Additionally, a connection to the Bridge enables you to control up to 50 bulbs away from home, schedule light routines, and configure Hue accessories.