Logitech K400r - White/Black - Wireless Keyboard with Trackpad - Used | eBay
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Logitech K400 Plus Touchpad Keyboard for TV connected PC
Download Logitech K400 Plus Driver - Driver Easy
Amazon.com: CM Ultra Thin Silicone Soft Keyboard Cover Skin Compatible with Logitech Wireless Touch Keyboard K400 Plus (Not for Old Version K400 & K400r) (Black) : Electronics