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 Wireless Keyboard Mouse Key Mouse Set Home Office Business Game _ - AliExpress Mobile
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Amazon.com: Logitech MK540 Wireless Keyboard Mouse Combo - USB Wireless RF Keyboard - Black - USB Wireless RF Mouse - Optical - 1000 dpi - 3 Button - Scroll Wheel - QWERTY - Black - (Renewed) : Electronics
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Logitech MK540 Full-size Advanced Wireless Membrane Keyboard and Mouse Combo for PC Black 920-008671 - Best Buy
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