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
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 - Red : Electronics
Logitech Unifying Receiver for Connecting Multiple Devices