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
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech M570 Wireless Trackball Mouse – Ergonomic Design with Sculpted Right-Hand Shape, Compatible with Apple Mac and Microsoft Windows Computers, USB Unifying Receiver, Dark Gray - Newegg.com
Logitech M570 Wireless Trackball Mouse – Ergonomic Design with Sculpted Right-Hand Shape, Compatible with Apple Mac and Microsoft Windows Computers, USB Unifying Receiver, Dark Gray - Newegg.com
Amazon.com: Logitech New Unifying USB Receiver for Mouse Keyboard M515 M570 M600 N305 MK330 MK520 MK710 MK605
Logitech M570 Wireless Trackball Mouse – Ergonomic Design with Sculpted Right-Hand Shape Compatible with Apple Mac and Microsoft Windows Computers USB Unifying Receiver Dark Gray 910-001799 | Fast Server Corp. www.srvfast.com
Logitech New Unifying USB Receiver for Mouse Keyboard M515 M570 M600 N305 MK330 MK520 MK710 MK605 - Walmart.com
Logitech MX Ergo PLUS - Wireless Trackball Mouse - with Unifying Receiver | Wish
Unifying Receiver 1 to 6 Devices USB Dongle for Logitech Wireless Keyb – Magconn
How to Pair Logitech M570 Mouse with Unifying Receiver (Win 10) - YouTube