Amazon.com: SummitLink Unifying Receiver for Mouse and Keyboard Compatible for Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) B083J7DYDT : 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
Logitech USB Unifying Receiver 58 H x 38 W x 14 D Black 910 005235 - Office Depot
Logitech Wireless K400R 79 Key Slim Keyboard with Touchpad & USB Receiver | eBay
Logitech K400 Usb Unifying Receiver - Wireless Dongle Receiver Usb Adapter 6 M905 - Aliexpress
Genuine Logitech Unifying Mirco Dongle Receiver USB For keyboard K400r K400plus | eBay
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
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech K400 Wireless Keyboard With USB receiver dongle Computer Keyboard | eBay
Logitech | Computers, Laptops & Parts | Logitech Wireless K40r Key Slim Keyboard With Touchpad Usb Receiver White | Poshmark
Original Logitech Keyboard K400r K400plus Unifying Mirco Dongle Receiver USB | eBay