Cob Led luminous flux density is high, the light color is close to natural color, there is no stroboscopic, there is not a lot of divergent glare, and the light source is soft. No ultraviolet radiation, no electromagnetic radiation, no infrared radiation, can protect eyes and skin. Environmental protection and energy conservation. Mini size and light weight make you carry easily. Three-section folding table lamp frees up more place for you. 3 levels of adjustable brightness meets you different needs under various circumstances. Sensitive touch button to turn on/ off, convenient to operate. Two power supply types, one is 4 * AA batteries (not included), another way is to use provided USB cable to charge as power source, multiple choice.