Amazon.com: Logitech C-U0007 Unifying Receiver for Mouse and Keyboard Works with Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) (C-U0007) : Electronics
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
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
Wireless Dongle Receiver Unifying Usb Adapter For Logitech Mouse Keyboard Connect 6 Device For Mx M905 M510 M505 Keyboard K400 - Mouse - AliExpress
Logitech Wireless USB Nano PC Receiver CU0010 Dongle C-11077 Adapter Non- Unifying 993-001106 - Walmart.com