app functions as follows: dimmable: the light of the bulbs may adjustable though the dimmable axis . regulating temperature: the temperature of the bulbs may regulate though the CCT axis. Regulating color: the color of the bulbs may regulate though the chromatic circle. Group control: several bulbs can be control at the same time. Picture control: the color of the picture may map on the bulbs. Music control: the bulbs may dance follow the music.