PURPOSE: A smart pump is provided to efficiently use an electric apparatus in a bicycling traveling by charging a charging battery using a pump. CONSTITUTION: A smart pump comprises a wind power generation system(109), an external power input portion, a charge built-in battery(102), an mp3(101) and a light. The wind power generation system is built in the smart pump. The external power input portion is built in the smart pump. The battery charges the electricity. The mp3 is driven to the charged electricity. The light uses the charged electricity. A power supplying unit is connected to the tire of a bicycle.
