This LED desk lamp head consists of 30 eye protection lamp beads, the light is filtered through multiple layers, soft and no dazzling, no blue light, no strobe. Widened light source, wide and uniform light area. his desk light has 2 pen holders and a cell phone holder, which can be used to place some stationery and cell phones, a very humane design.This table lights for desk has a built-in 1200mAh battery, which can be recharged and can be used for more than 3 hours with one full charge. Can also be plugged in, this product has a complimentary charging cable.