Amazon.com: Logitech MK540 Advanced Wireless Keyboard with Wireless Mouse Combo — Full Size Keyboard and Mouse, Long Battery Life, Caps Lock Indicator Light, Hot Keys, Secure 2.4GHz Connectivity (Renewed) : Electronics
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Original Logitech Mk540 Wireless Keyboard Mouse Combos Mice Keys Set With Unifying Usb Receiver For Pc Laptop Office Game - Keyboard Mouse Combos - AliExpress
Logitech MK540 Wireless Combo, 2.4 GHz Frequency/30 ft Wireless Range, Black (920008671) | OfficeCrave.com
Logitech MK540 Wireless Keyboard Mouse Combo and Extended Mouse Pad Bundle | Groupon
Logitech MK540 Full-size Advanced Wireless Membrane Keyboard and Mouse Combo for PC Black 920-008671 - Best Buy