The LEDVANCE LV542761 SMART+ Bulb & Google Nest Mini Starter Kit contains Ledvance SMART+ RGBW Light Bulb and Google Nest Mini 2nd Generation Smart Speaker. That means you can control the light using your voice only. And if you decide to buy more smart products for your home, you already have a controller. Features and Benefits Reliable, chemical free sterilization by LED UV-C technology Control the warm white light with your phone or tablet Strong USB rechargeable battery enables mobile use Utlising light using your voice only Specifications RGB color control: approx. 16 million color options adjustable A60 shape bulb B22d socket type 806 lumens Google Nest Mini smart speaker (2nd generation) Ledvance Smart LED RGBW B22D