This clamp light with a stable and flexible tube which can be twisted to any positions owns 3 distinctive light modes to meet any different lighting requirements. Each light brightness is adjustable. What are you waiting for? Just come and buy.Features:3 light colors: a simple button to switch 3 distinctive light modes. White light for working, yellow light for reading, warm white light for relaxing.Stepless & 10 levels dimmer: you can set the color temperature and adjust the brightness to meet your various light moods.?Long press for stepless dimmer and short press for 10 levels dimmable.USB operated: USB port design, can be operated by USB port, computer or laptop.Eye-protective: Superb LEDs bulbs, nice lumen and high CRI, flicker-free, anti-glare light without strobes and radiation.Clamp design and fully-adjustable: strong bendy tub enables you to flexibly swivel the lamp and adjust the light position as you like. Can be used perfectly with music stands, bookshelf, office tables, computer desks, headboards, etc.Eco-friendly: unlike incandescent or florescent lights, this clamp lamp doesn't contain any m-ercury or any other environmentally harmful substances.Excellent material: The rubber in the clamp help to create friction with the desk, at the same t-ime it prevents any damage to the desk surface.Specifications:Light colors: White color, warm white color, yellow colorBrightness level: SteplessLEDs quantity: 24 pcs?Input voltage: A C100-240 VOutput voltage: D C 5 V 1APowers: Max.6WColor temperature: 2700K-6500KLuminous flux: 550lmCRI: