Logitech M705 Marathon Wireless Mouse, 2.4 GHz USB Unifying Receiver, 1000 DPI, 5-Programmable Buttons, 3-Year Battery, Compatible with PC, Mac, Laptop, Chromebook - Black
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
What is a Logitech Unifying receiver and how can you benefit from it? – NEWCOM Computer Systems
Amazon.com: Logitech USB Unifying Receiver - 2 Pack For Personal Computer : Electronics
Connect multiple Logitech wireless devices using same USB receiver