Amazon.com: 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 : Electronics
Amazon.com: Logitech USB Unifying Receiver - 2 Pack : Electronics
Logitech M720 Triathlon Multi-Device Wireless Mouse, Bluetooth, USB Unifying Receiver, 1000 DPI, 8 Buttons, 2-Year Battery, Compatible with Laptop, PC, Mac, iPadOS - Black Mice - Newegg.com
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Amazon.com: Logitech USB Unifying Receiver - 2 Pack : Electronics
Logitech Unifying Receiver for Connecting Multiple Devices
Amazon.com: 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 : Electronics
Logitech Compact Wireless Mouse, 2.4 GHz with USB Unifying Receiver, Optical Tracking, Coral Reef - Walmart.com
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Logitech USB Unifying Receiver Dongle for Mouse & Keyboard 910-005235 (Two Pack) | eBay
Amazon.com: Logitech USB Unifying Receiver - 2 Pack : Electronics