Smart bulbs that work with Alexa: directly connect these intelligent LED bulbs to your Google Assistant or Amazon Alexa to control the voice. Wi-Fi bulbs: Easily connect these smart bulbs directly to your Wi-Fi router, providing voice control for your smart bulbs through voice wizards (sold separately) and control out of the house, no need to concentrate or bridge. Manage your smart bulbs away from home: get more safety and comfort at home by controlling your Wi-Fi bulbs with the Cync mobile app. Light bulbs that change color with the app. Adjust the white of the smart bulbs to any color between warm, amber and cold and blue tones. Smart LED bulbs: These smart lights fit medium base plugs for 60 W incandescent bulbs A19, which helps make your home a smart home. These intelligent LED bulbs use 84% less energy and last 15 times more than the incandescent bulbs of 60 W.