What's Required? - Nothing! This product works out of the box with the free ‘Philips Hue Bluetooth’ app. Simply screw in your new GU10 bulbs (perfect fit) and connect to the Bluetooth app for in room smart lighting control Get started in no time - With no complex installation required you can start controlling your smart LED lights straight out of the box with your smart device or voice. Discover the easiest way to control your lighting Easy dimming - experience easy and smooth dimming. Not too bright. Not to dark. Simply adjust your smart lights to create the right Ambiance 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 Your Homes Full Potential - Add a Philips Hue Bridge (sold separately, optional) to your cart and unlock full home Control, either when you’re home or away