COLOR CHANGING: the lamp changes between a variety of different colors for a calm soothing effect - choose between 6 color settings for your ideal atmosphere USB CABLE INCLUDED: the included USB charging cable lets you charge your light while you work or play so you can move it around when you need to MANUAL ON/OFF SWITCH: easy to use, the manual on/off switch allows you to control when you need light and when you don't DIMMABLE: three brightness levels allow you to choose your ideal light for any situation so you'll always have perfect lighting when you need it PORTABLE: this touch lamp features a retractable hook on the bottom so you can easily move and place your light in the ideal spot