Is there a difference between Logitech's 'USB Nano receiver' and their 'USB Unifying receiver' and are the two compatible? - Quora
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1PC New Usb Receiver Wireless Dongle Receiver USB Adapter for logitech mk270/mk260/mk220/mk345/mk240/m275/m210/m212/m150 Mouse|Mice & Keyboards Accessories| - AliExpress
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