Rechargeable 5W Study LED Desk Lamps, Ryham Eye-caring Touch Control 3 Adjustable Brightness Levels Table Lamps for Bedroom and Office (Blue) 1. FULL SPECTRUM LIGHT: With a 5,200 Kelvin color temperature, this LED desk lamps enable your reading much easier to see. Fordable flexible arm up to 150enable optional angle. 2. INNOVATIVE DIMMING FEATURE SOFTENS LED LIGHT BRIGHTNESS: Continually press power button as the light gradually attains full brightness and then dims level by level until lowest light achieved. Lumen output equates to approximately 75 watts on a conventional tungsten filament lamp. 3. ENERGY-EFFICIENT & VERSATILE: CE Approved, the energy-saving 5 watts equal to approximately 40 watts on a conventional Incandescent light. Universal USB charging cable allows no headache to power the lamps. 4. Rechargeable & Convenient: Features build-in rechargeable 2000mAH lithium battery sustains reading up to 14 hours. 11.2 inch tall occupies small space suppose to bring travelling. 5. SATISFACTION GUARANTEED: You will love our bestselling LED desk lamps and outstanding customer service- Give it a try with our NO-FUSS 30 DAY MONEY BACK GUARANTEE & 1 YEAR WARRANTY - CLICK THE 'ADD TO CART' BUTTON NOW AND GRAB IT AT THIS SALE PRICE. Fulfilled by Amazon.