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The design is a simplely、applicability and portable LED bulbs. LED light source Lies in the metal protective jacket.There is a rotary switch in protective metal sleeve,LED can work by rotating metal cap.When we put the other end of the metal rod into electronic products headphone jack and turn on the power,LED lights will shine.The design can be used for all electronic products with Headphone jacks.
Liaoning Shihua University
Liaoning fushun，China, China
Jianing/Shi,
Liaoning Shihua University
Ruijiang/Gu,
Liaoning Shihua University
Yina/Jiang,
Liaoning Shihua University
Hang/Zhang,
Liaoning Shihua University
