Your K350 ships with the new Logitech Unifying USB receiver as shown below:
You can only connect your K350 with USB receivers that display the Unifying logo .
You cannot connect your K350 to any Logitech USB receivers that do not display the Unifying logo.
NOTE: Although the device may be supported by the Unifying receiver, SetPoint and/or Logitech Control Center (LCC) support will depend on the specific product.
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