Logitech M720 Triathlon Wireless Mouse USB Unifying Receiver
Logitech M171 Wireless Mouse for PC, Mac, Laptop, 2.4 GHz with USB Mini Receiver, Optical Tracking, 12-Months Battery Life, Ambidextrous - Black : Amazon.co.uk: Computers & Accessories
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 | PGMall
Amazon.co.jp: (Black) - Logitech M171 Wireless Mouse for Windows, Mac and Chrome, 2.4 GHZ Wireless Connectivity, Plug-and-Play Connexion, 12-Month Battery Life, Comfortable and Mobile, Black : Computers
Logitech Mouse - Pairing with Original Non-Unifying Receiver - YouTube