【5 Color Modes & 6 Brightness Levels】-59 inches/150cm usb cord, to meet your different needs, our led desk lamp features 5 color modes, 6 steppless control brightness levels for each color mode, total 30 customizable illuminations, it is ideal for read, relax, study and sleep. | 【Touch Sensitive Control & Timing Function】-Gently touch the "+" and "-" button to adjust the brightness, "M" to change the lighting modes (white color, warm color, white-warm color). 0.5 hour/1 hour auto-off timing function, turns the light off automatically to save your electricity bill if you fall asleep under the lamp. | 【Memory Function & Ideal for Poor Eyesight】-No flicker lighting, non-ghosting and anti-blue light, our reading lamp is suitable for kid night bedroom reading. Memory function, it remembers the brightness and mode last used to add convenience for you. NOTE, if you pull out the usb port and power it on, the memory function will lose efficiency temporary. | 【50,000 Hours Long Lifespen & Energy-Efficient】-Designed to last for more than 50,000 hours, no bulb changing trouble in the next 11 years. Achieve the same level of illumination while saving up to 75 precent of energy compared to the traditional incandescent light bulbs, save your money. | 【100% Money Back Guarantee】-30-day money back guarantee and 2-Year Warranty, with our amazing foldable modern lamp, its either you’re satisfied or you get your money back, this is because we place a premium on customer satisfaction.