GY A60 B22 Smart Bulb Bayonet Alexa Light Bulbs, 9W 850lm 2700K-6500K RGB Dimmable Colour Changing Compatible with Alexa/Google Home 2.4GHz WLAN,6 PacksVoice Control Wi Fi smart B22 light bulb is compatible with Alexa, Echo and Google Home. You can control the switch or switch the colour you want by voice. For example, you can say "Alexa, turn on the light". This will bring more convenience and fun to life. Control via AppAs an Alexa devices, the B22 LED bulb can be controlled via the app. Finding the bulb on the app and connecting (2. 4 GHz WLAN support), you can set the desired colour temperature