Turn on your MK540 keyboard and mouse. To connect the MK540 mouse and keyboard, plug the provided Unifying receiver into a USB
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Logitech MK540 Advanced Wireless Keyboard and Mouse Combo for Windows, QWERTZ German Layout - Black : Amazon.co.uk: Computers & Accessories
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Logitech MK540 Advanced Wireless Keyboard & Mouse Combo Travel Home Office Modern Bundle with Boost Water-
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