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
Zone Wireless Audio Receiver
Logitech Zone True Wireless Earbuds with ANC & USB/Bluetooth
Logitech Compact Wireless Mouse, 2.4 GHz with USB Unifying Receiver, Optical Tracking, Coral Reef - Walmart.com
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
AC600 600Mbps WiFi Network Adapter For Logitech Unifying 6 Devices USB Receiver | eBay