One Sensitive Button Controls All & 3 Brightness Levels-Simple design, gently touch the table lamp power button to adjust the brightness and power on/off. To meet your different needs, our led desk light features 5000K color temperature, 3 brightness levels, it is ideal for read, relax, office work, study and sleep. High Quality Bright LEDs Ideal for Poor Eyesight-8 watts, 700 lumens and 90+ color rendering index, this foldable desk lamp features 40 high quality bright leds, no flicker lighting, non-ghosting and anti-blue light, our reading lamp is suitable for your kids night bedroom reading, dormitory study. 50,000 Hours Long Lifespen & Energy-Efficient-This reading lamp designed to last for more than 50,000 hours, which means even you light it for 12 hours every day, no bulb changing trouble in the next 11 years, achieve the same level of illumination while saving up to 80 precent of energy compared to the traditional incandescent light bulbs. USB Powered Cor