Logitech MX5500 wireless keyboard and mouse combo usb receiver - AliExpress
1pc Usb Receivers For Logitech Mk270/260 Mk250 Nano Mk345 Mk220 Mk235 Keyboard Mouse Usb Receiver Replacement Usb Receivers New - Usb Receiver Adapter - AliExpress
Logitech K270 Wireless Keyboard with Unifying Receiver
Zone Wireless Plus Unifying + Audio Receiver
Logitech Signature K650 Comfort Full-Size Wireless Keyboard with Wrist Rest, BLE Bluetooth or Logi Bolt USB Receiver, Deep-Cushioned Keys, Numpad, Compatible with Most OS/PC/Window/Mac - Off White - Newegg.com
Logitech Unifying receiver - Wikipedia
Logitech C-UV35 USB Bluetooth Receiver for Mouse Keyboard MX5000 MX5500 | eBay
Logitech C-UV35 USB Bluetooth Receiver for Mouse Keyboard MX5000 MX5500 | eBay
How to Connect Logitech Unifying USB Receiver, Bluetooth Pairing, Keyboard & Mouse, Pair 3 Devices - YouTube