Easier Faster Connection: Upgraded bluetooth wifi technology allows you could connect your dimmable wifi smart lightbulb BR30 with your smartphone automatically on POPOTAN app via your bluetooth function (Compatible with Smart Life app too). Only support 2.4Ghz wifi network. Voice & App Control: BR30 bluetooth wifi smart bulb changes how you light your life at home. Using POPOTAN app on your smartphone, you can control the kind of light you use for any activity. These smart light bulbs are compatible with Alexa and Google Assistant for hands-free control, you can control your smart BR30 bulb with just the sound of your voice making your life a whole lot easier. RGBWW Color Changing & Tunable White Light: these full color smart bulb tailor your lighting ambiance to each room with 16 million colors. Use the app to dim your bulb for a romantic dinner or brighten your bulb for working in the office or kitchen. Dimmable and tunable from a warm white 2700k to a bright white 6500k which creates the perfect ambiance in your smart home. Group Control & Schedule: These smart flood light bulbs also can be controlled together with one command, you only need to add them into one group in the Smart Life app or Tuya app, very practical and easy to set up. Also, the BR30 wifi bulb can be scheduled to turn on or off automatically, a good function for those who want to sleep with light but don't want the light to stay on whole night. Energy Saving: BR30 smart light bulb can save up to 80% compare to traditional bulbs. 25% of energy are wasted when you using the traditional bulbs, so using smart light bulbs can save energy and your bill. The BR30 bulb is designed to replace light bulbs typically used in recessed or can lighting applications. Recessed smart light bulbs, brighter light, more energy saving, less bill cost.