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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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Logitech K400 Plus TKL Wireless Membrane Keyboard for PC/TV/Laptop/Tablet with Built-in Touchpad Black 920-007119 - Best Buy
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Amazon.com: Logitech Wireless Touch Keyboard K400 Plus Keyboard with 3.5-inch Multi-touch Touchpad, Quiet Keys, Wireless Keyboard up to 33 ft. Plug-and-Play (Renewed) : Electronics
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