Logitech Wireless Keyboard and Mouse Combo MK270 - 2.4GHz, Unifying Nano Receiver, Extended Battery Life
Amazon.com: Logitech USB Unifying Receiver, 2.4 GHz Wireless Technology, USB Plug Compatible with all Logitech Unifying Devices like Wireless Mouse and Keyboard, PC / Mac / Laptop - Black : Electronics
Amazon.com: Logitech MX Vertical Wireless Mouse, Graphite & K350 Wireless Wave Keyboard with Unifying Wireless Technology - Black : Electronics
Logitech MK520 Wireless Keyboard Mouse Combo with Unifying
Used Logitech K350 Wave Wireless Keyboard 920-001996 B&H Photo
Logitech Wireless Mouse / Keyboard USB Unifying Receiver - Newegg.com
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) (C-U0007) : Electronics
Used - Like New: Logitech MK365 Keyboard and Mouse Combo 2.4GHz 1000DPI Unifying Receiver USB RF Wireless Ergonomical -Black,Black/Red,Black/Silver - Newegg.com
920-004536 - Logitech - Keyboard and Mouse Combo, Wireless, MK270