How to pair more than one device with a Logitech receiver
Bootstrap
OOKWE NEW for Logitech Unifying USB Wireless Receiver USB Dongle Secure 6 Multi-Device 100% Original - Walmart.com
Logitech Unifying Receiver 1 to 6 Devices USB Dongle for Wireless Keyboard Mouse 73257010740 | eBay
How to Connect Logitech Wireless Mouse to Unifying Receiver
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
Union Wireless Dongle Receiver Unified USB Adapter for Logitech Mouse Keyboard Connect 6 Devices for MX M905 M950 M505 M510 M525 - AliExpress
Amazon.com: New Logitech Unifying USB Receiver for Mouse MX M905 M950 M505 M510 M525 M305 M310 M315 M325 M345 M705 M215 : Electronics
Logitech USB Unifying Receiver Dongle for Mouse & Keyboard 910-005235 (2 Pack) - Walmart.com
What is a Logitech Unifying receiver and how can you benefit from it? - Newcom