“I see both the keyboard and mouse are wi-fi'ed to the system. Are these devices powered internally by battery or do they receive a signal from the system to operate. if they are battery powered...how often should they be replaced?”

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• Yes, they are battery operated.

  Answered by CommunityAnswer 9 years ago

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• There are batteries in both the keyboard and the mouse to power them. Replacement frequency will depend on usage, but figure approximately 6 months.

  Answered by Lenovo Product Expert 9 years ago

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