What Is A Logitech Unifying Receiver And How Can You Benefit From It?
Amazon.com: 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
Logitech MX Anywhere 2S Wireless Mouse with 4000DPI Easy-Switch™ Technology Unifying Receiver for Windows Mac OS iPad OS _ - AliExpress Mobile
Replacement Unifying Receiver for Logitech Wireless All-in-One Keyboard TK820 Sh | eBay