Short review: Logitech K400r vs Plexgear Mediatrack Ergo - Erik Moberg's personal homepage - photography, gadgets, DIY, and more
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Logitech K400r Wireless Touch Keyboard with Touchpad & USB Dongle - Tested | eBay
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Logitech K400 Plus did not come with a USB dongle? Wait!! It's hidden in the box!! | THINKBOX
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