Amazon.com: Logitech 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
Logitech 831675-0000 C-BT44 USB Wireless Keyboard Mouse Receiver
Amazon.com: Logitech 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 USB Unifying Receiver - 2 Pack For Personal Computer : Electronics
Logitech MX Keys Mini Wireless Keyboard & Logi Bolt USB Receiver
Keyboard Mouse Receiver for Logitech Receivers Wireless Keyboard Mouses And V8F2 - Walmart.com
Wireless 2.4G Receiver Computer Keyboard and Mouse Transmitter USB 6 Channel Receiver Dongle Mouse Adapter for Logitech - Walmart.com
Wireless Dongle Receiver Unifying USB Adapter for Logitech Mouse Keyboard Connect 6 Device for MX M905 M950 M505 M510 - Walmart.com