Replacing Your Wireless Mouse / Keyboard Receiver - ComeauSoftware.com
Logitech Unifying Receiver for Connecting Multiple Devices
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 : Amazon.co.uk: Computers & Accessories
USB Dongle Mouse Receiver Adapter Replacement for Logitech G PRO X Superlight Wireless Mouse: Amazon.co.uk: Computers & Accessories