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Logitech Wireless Touch Keyboard K400 Plus review: Logitech's $40 K400 Plus spruces up the couch-potato experience - CNET
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Buy (Renewed) Logitech K400 Plus Wireless Keyboard (Black) Online at Low Prices in India | Logitech Reviews & Ratings - Amazon.in
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Logitech Wireless Touch Keyboard K400 with Built-In Multi-Touch Touchpad (920-003070) : Amazon.ca: Electronics
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