Say hello to the Yeelight Blue II, a colour-changing LED smart bulb that lights up your mood each and every time. Powered by high quality Cree LED chips and revolutionary dimming software, controlled via your smartphone, the Yeelight Blue II Bluetooth LED Smart bulb delivers a colourful, reliable, and eco-friendly home lighting solution. It enables you personaly to create a very unique moments ! Every Yeelight Blue II can display 500 lumens high quality white light and a wide variety of 16 million colors. Each one use 90 % less power than a traditional light bulb. After a quick download of Yeelight Blue II application and an easy installation, will helps you personalize your lighting to suit your lifestyle. You can connect up to 10 yeelight blue bulbs.