Logitech Unifying receiver – originals, fakes and much much more – gr33nonline
Genuine Logitech Mice Unifying Receiver USB For Mouse M545 M546 M570 M705 | eBay
GENUINE LOGITECH Unifying Wireless USB Receiver C-U0012 Mouse & keyboard NEW 621879566185 | eBay
Logitech (C-U0012) UNIFY NANO USB Receiver for Logitech Keyboard /Mouse A2-10(0) | eBay
2x Slim Logitech USB Unifying Receiver 910-005235 | eBay
Logitech C-U0012 UNIFY NANO USB Receiver for Logitech Keyboard & Mouse | 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
Genuine Logitech Mice Unifying Receiver USB For Mouse M545 M546 M570 M705 | eBay