Logitech Unifying Receiver for Connecting Multiple Devices
Wireless USB Unifying Receiver Dongle For Logitech K350 K340 N305 K800 MK270 | eBay
New Logitech Unifying USB Receiver for Keyboard K230 K250 K270 K320 K340 K350 K750 K800 : Amazon.ca: Electronics
Logitech K350 Ergonomic Wireless Keyboard ~ NO RECEIVER | eBay
Logitech Unifying Receiver for Connecting Multiple Devices
Wireless Keyboard K350
New Logitech Unifying.USB.Receiver.for.M905.M600.M525.Mouse.&.K350.K750.Keyboard | eBay
Logitech K350 Wireless Wave Ergonomic Keyboard with Unifying Wireless Technology - Black & M510 Wireless Computer Mouse for PC with USB Unifying Receiver - Graphite : Amazon.ca: Electronics