Vintage Design meets modern capabilities - Capture the popular look of Edison bulbs, featuring a distinct glowing inner coil and transparent globe, with smart filament bulbs. These smart retro-style LED bulbs combine the look and feel of simple vintage design with the power of Philips Hue smart lighting. What's Required? - Nothing. This product works out of the box with the free ‘Philips Hue Bluetooth’ app. Simply screw in your new light bulb and connect to the Bluetooth app for in room smart lighting control. Control Lights With Your Voice - Works with all Echo smart speakers/displays and Google Nest devices for hands-free voice control (Philips Hue Bridge (sold separately) is required for Echo 1st Gen and Echo Dot 1st Gen). Unlock more with a Hue Bridge - Add a Hue Bridge (sold separately) to your smart lights to experience the full suite of Philips Hue features. With a Hue Bridge, you can add up to 50 smart lights to control throughout your home. Create routines to automate your entire smart home lighting set-up. Control your lights while away from home or add accessories such as motion sensors and smart switches.