Logitech M185 Faq page 21

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 +Using the M185 with a different USB receiver
Your M185 mouse ships with the receiver as shown below:
While this receiver is not Unifying, you can connect your mouse with any Unifying USB
receiver. To determine if a receiver is Unifying, look for this logo:
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NOTE: Although this device is supported by the Unifying USB receiver, SetPoint and Logitech
Control Center (LCC) support depend on the specific product.
 +M185 mouse is not working or frequently loses connection
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Mouse is not working
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Mouse frequently stops working