Observe and understand for Tunable White led strips Color Temperature Change CCT white COB Dotles LED Strips Lights 

Tunable white lighting technology enables you to control the color temperature of a light source. We have implemented this technology into our specification grade LED strip lighting products.

Using alternating LED chips of different color temperatures, you are able to use a remote to blend the LEDs and easily control the strip light?s output. adjustable color temperature CCT from 2700K warm white to 6500K cool white.