| 摘要 |
A portable electric toothbrush is disclosed. The portable electric toothbrush includes: a main body having a switch; a brush head having a plurality of bristles and connected to one end of the main body; a holding portion connected to the other end of the main body; a charging circuit configured in the main body; a chargeable battery coupled to the charging circuit; a control circuit coupled to the switch; a motor coupled to the control circuit; and an USB interface coupled to the charging circuit, whereby providing electricity to the chargeable battery, thereby achieving the purpose of charging.
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