3 BRIGHTNESS LEVELS: Touch-sensitive controls switch the three brightness and three color levels including ClearSun natural daylight, bright white and warm white. It has a max output of 440 lumens and is perfect for your bedside, studio, office, or dorm. | BUILT-IN USB PORT: Included a 5V, 2.1A USB port to fully charge phones and smartwatches, tablets, or any other USB powered device, making this light perfect for dorms, offices, living rooms or the bedside. It is a great gift for college students! | ADJUSTABLE NECK: This light provides a great range of motion thanks to the adjustable neck that can extend the height from 11 to 23”. Reposition the shade for the best glare-free position to suit your needs and fold it down when not in use. | EFFICIENT LEDS: OttLite’s efficient ClearSun LEDs are rated to last up to 40,000 hours. The OttLite Adapt Lamp offers peak visual comfort with Color Rendering Index (CRI) of 97 to show colors more vividly and true to life with smooth, uniform light. | NATURAL DAYLIGHT: OttLite’s engineers and researchers have focused on bringing the power of natural daylight indoors. Our ClearSun LED reduces eye strain by up to 51%, so you will be able to see more clearly and do what you love for longer.