Product features: 1. Adopts multiple rotary stands which can have multi-direction turning. 2. Taiwan imported high-quality chip LED big size chip high brightness and low light failure. 3. Reading light energy-saving light very convenient to use. 4. Needs no external power directly plug into the computer USB to charge low power consumption energy-saving and safe. 5. Can softly light up the keyboard and the working desk area which will not affect other people around you widely used in the office and student homework. 6. DC power supply no strobe and no radiation of the LED light. 7. Simple to use high brightness safe and energy-saving good stability long use life. 8. No harmful substance and no light pollution.