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Logitech Unifying receiver - Wikipedia
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Logitech K400 Plus Touchpad Keyboard for TV connected PC
Logitech Wireless Touch Keyboard K400 Plus | ConferencingWorks.com
Logitech K400 Plus Touchpad Keyboard for TV connected PC
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Logitech K400 Plus Wireless Touch Keyboards
Logitech Wireless Touch Keyboard K400 Plus Review – Techgage
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Logitech K400 (920-003070) Wireless Touch Keyboard WITH Unifying USB Receiver 97855074928 | eBay
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Logitech Wireless Touch Keyboard K400r Review | PCMag
Logitech K400 Plus did not come with a USB dongle? Wait!! It's hidden in the box!! | THINKBOX
