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 Wireless Keyboard/Mouse USB Receiver 2.0 EDR C-UV35 | eBay
Logitech MX5500 wireless keyboard and mouse combo usb receiver - AliExpress
Logitech K380 Multi-Device Bluetooth Keyboard (Dark Gray) Bundle with Knox Gear USB Bluetooth 4.0 Dongle Adapter (2 Items) (920-007558_K1) - Newegg.com
LOGITECH C-UV35 USB BLUETOOTH RECEIVER FOR MOUSE KEYBOARD MX5000 MX5500 / A3-2 | eBay
Amazon.com: StarTech.com USB Bluetooth 5.0 Adapter, USB Bluetooth Dongle for PC/Computer/Laptop/Keyboard/Mouse, BT 5.0 Adapter for Headsets, Mini USB Bluetooth Receiver, Windows/Linux (USBA-BLUETOOTH-V5-C2) : Everything Else
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 Signature K650 Comfort Full-Size Wireless Keyboard with Wrist Rest, BLE Bluetooth or Logi Bolt USB Receiver, Deep-Cushioned Keys, Numpad, Compatible with Most OS/PC/Window/Mac - Off White : Electronics
USB dongle receiver for PERIBOARD-612-Black – Perixx USA
Amazon.com: USB Dongle Mouse Receiver Adapter for Logitech G Pro Wireless Mouse Laptop Desktop to Bluetooth Keyboard Mouse Game Controller : Electronics