| 摘要 |
The invention relates to safety razors that include a blade unit carried on a handle, a vibration device powered by a battery under control of a control device, and a switch, e.g., included in the handle, to switch on and off an electrical connection between the battery and the control device; a storage tray on which the razor is stored when not in use including a magnet so that the switch closes a connection between the battery and the control device when the razor is separated from the storage tray.
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