Amazon.com: Zotech Replacement USB Receiver (C-U0014) for LogitechWirelessPresenter R400/R700/R800 - Not Compatible with All R400/R700/R800 Models (See Details Before Buying) : Electronics
Amazon.com: Logitech USB Receiver for Logitech Wireless G533 Gaming Headset : Video Games
Logitech G533 G933 Wireless Headset Usb Receiver Headset Accessories G533 G933 Dongle - Usb Gadgets - AliExpress
HP Wireless Full Keyboard With USB Receiver | eBay