Is there a difference between Logitech's 'USB Nano receiver' and their 'USB Unifying receiver' and are the two compatible? - Quora
Amazon.com: Logitech C-U0007 Unifying Receiver for Mouse and Keyboard Works with Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) (C-U0007) : Electronics
NANO RECEIVER USB Receiver for Logitech M905 M600 M545 M950 M705 M525 Mouse | eBay
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech Nano Receiver Set Receiver Mouse and Keyboard Receiver for MK270/MK260/MK220/MK240/MK345/M185/M275/M238 For SN14-19 - AliExpress Computer & Office