Genuine Logitech Unifying Mirco Dongle Receiver USB For keyboard K400r K400plus | eBay
Logitech K400r Keyboard w/ built in touch pad Black | eBay
Keycap Replacement Kit - For Logitech K400r (Black) - One Key or Keys Ship Free! | eBay
Logitech K400r Wireless Keyboard with Built-In Touchpad with USB Receiver | eBay
Logitech K400r USB Wireless Keyboard | Grade A
2x Logitech K400r USB Wireless Touch Compact Keyboard w/3.5in Touchpad No Dongle | 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) (Black) : Electronics
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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 Wireless Touch Keyboard K400r - electronics - by owner - sale - craigslist
The new classic Logitech K400R USB Wireless Touch Keyboard Keypad - AliExpress