Verilux Swan Natural Spectrum LED Desk Lamp with 3 Color Modes, 7 Light Intensities, 1 Amp USB Charging Port, Adjustable EasyFlex Gooseneck 64 long-lasting, energy efficient LEDs provide three dynamic color temperatures: "Mood" (3200K) | Ambient (4000K) | Reading/Tasking (5000K) 450, 580, 600 Lumens Output Seven user selectable light intensities for each color temperature Sleek, flexible, and durable EasyFlex gooseneck directs light where it's needed On-base 1.0 amp USB port charging port