The shoe power generating device generates the power by the walking energy, has large power generation amount and can provide sufficient electric energy.
以走路的能量发电，发电量大，可提供充足的电能。
The shoe power generating device generates the power by the walking energy, has large power generation amount and can provide sufficient electric energy.
以走路的能量发电，发电量大，可提供充足的电能。
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