Logitech Unifying Nano Receiver - Bluetooth adapter Logitech on LDLC
Logitech wireless USB dongles vulnerable to new hijacking flaws | ZDNet
Amazon.com: Logitech USB 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