Logitech C-UV35 USB Bluetooth Receiver for Mouse Keyboard MX5000 MX5500 | 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 C-UV35 USB Bluetooth Receiver for Mouse Keyboard MX5000 MX5500 | eBay
Logitech Wireless Desktop Mx5000 Bluetooth Multimedia Keyboard & Mouse for sale online | eBay
Logitech MX5000 Cordless Bluetooth Keyboard 967558-0403
Logitech MX5000 9675580403 Wireless Keyboard for sale online | eBay