2 充电：风扇电量不足时，请插入充电线，并接通电
源。即可给风扇充电。充电时蓝灯长亮，充满电后蓝
灯熄灭。
Charging: Plug into the power supply with the charging
cable when the fan short off power. The indicating blue
lights flashing meaning the charging process, the
indicating blue lights off meaning full charging.
