INTERESTING 3 COLOR BRIGHTNESS CHOICES – By pulling the pull chain to adjust the brightness you need and prefer, as the nightstand lamp come with 3-color temperatures light bulb. This modern bedside table lamp with USB-A and USB-C charging ports offers 3 modes of lighting (Warm white, Natural white and Daylight white), so that you could accommodate a variety of usage scenarios and enjoy the interesting lighting experience for working, reading and relaxing.