Three (3) adjustable color temperature modes for relaxing, reading + tasks (3000K, 4000K, 6500K) Dimmer function with six (6) brightness levels Flexible, silicone neck to easily position light zone Easy-to-use slide touch power control Built-in USB port for easy charging of various devices Uses cost-efficient LEDs that last up to 50,000 hours and use 85% less energy than incandescent lamps Flicker-free light zone that is clear of shadows, halos and troublesome glares