Gray Logitech K235 Wireless Keyboard ONLY - (NO RECEIVER!) Model# YR0036 765488264053 | eBay
Amazon.com: Logitech MK235 Wireless Keyboard and Mouse Combo for Windows, 2.4 GHz Wireless Unifying USB Receiver, 15 FN Keys, Long Battery Life, Compatible with PC, Laptop : Electronics
Logitech MK235 Wireless Keyboard & Mouse, Black (920-007897)
Ask a Swiss: How to connect a non-Unifying Logitech keyboard & mouse to a new dongle
Amazon.com: Logitech C-U0007 Unifying Receiver for Mouse and Keyboard Works with Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) : Electronics
Amazon.com: Logitech MK235 Wireless Keyboard and Mouse Combo for Windows, 2.4 GHz Wireless Unifying USB Receiver, 15 FN Keys, Long Battery Life, Compatible with PC, Laptop : Electronics