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
Logitech Wireless Desktop MK710 - keyboard and mouse set - English - 920-002416 - Keyboard & Mouse Bundles - CDW.com
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very old keyboard question : r/logitech
Logitech Wave Keys MK670 Combo Ergonomic Wireless Keyboard and Mouse Bundle for Windows/Mac with Integrated Palm-rest Graphite 920-012059 - Best Buy
Vintage Logitech Wireless Keyboard & Mouse set w/mouse charging dock | eBay
Amazon.com: CM Ultra Thin Silicone Soft Keyboard Cover Skin Compatible with Logitech Wireless Touch Keyboard K400 Plus (Not for Old Version K400 & K400r) (Aqua Blue) : Electronics
Logitech K400 Plus Touchpad Keyboard for TV connected PC