【Light-Emitting Principle】The glowing part of the sphere is designed with high-tech Luminous materials. 【Soccer ball+Gift】One blast pump, one soccer ball net, two ball needles. As long as there is a light source, it can shine at night, such as in the sunlight, lights, flashlights, mobile phone flashes and so on.In the bright light uniform irradiation for a few minutes can shine for 1-3 hours.