This high powered, high-tech, modern desk lamp is the perfect solution to any workspace. Complete control of the light intensity and color allows you to customize the light to your needs at any time of the day. Whether you are working, reading or relaxing, the 5 light color temperature modes provide you with various options to suit your environment and mood. Adjust the light intensity with a simple touch dimmer switch offering 5 different brightness options. A convenient USB charging port located in the base lets you charge up your devices while you work. An adjustable arm with joints at the base and mid-point allows for 400 lumens of flicker free, energy efficient LED light to reach any area of the workspace. A sleek, modern silhouette finished in silver and white offers added sophistication. The LEDs are integrated into this lamp and are not replaceable. However, Adesso LEDs are top quality and last around 50,000 hours!