Amazon.com: Logitech Unifying Receiver USB Dongle for Logitech M185 Wireless Mouse and Keyboard : Electronics
Amazon.com: Logitech M510 Wireless Computer Mouse – Comfortable Shape with USB Unifying Receiver, with Back/Forward Buttons and Side-to-Side Scrolling, Dark Gray : Electronics
USB Unifying Receiver by Logitech® LOG910005235 | OnTimeSupplies.com
Amazon.com: Logitech M185 Wireless Mouse, 2.4GHz with USB Mini Receiver, 12-Month Battery Life, 1000 DPI Optical Tracking, Ambidextrous, Compatible with PC, Mac, Laptop - Black : Electronics
Logitech M185 USB Wireless Mouse - Swift Gray | Dell USA
Logitech Model C-BN4 Fast RF Cordless Mouse Receiver Canada Model # 210 | eBay