| 摘要 |
A portable health device comprises a housing at least one power source connected to the housing, a frequency oscillation device in communication with the power source, and at least one electromagnet carried by the housing and in communication with the at least one power source. The frequency oscillation device may be adapted to convert power from the power source to a pulse having a predetermined frequency. The pulse may charge the at least one electromagnet to emit a pulsed electromagnetic wave onto a user.
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