USB Receiver for Logitech Unifying M905 M600 M525 Mouse K350 K750 Keyboard

New Logitech Unifying USB Receiver for M905 M600 M525 Mouse & K350 K750 Keyboard. Logitech keyboard K23, K250, K270, K320, K340, K350. wireless keyboard：K230, K270, K320, K340, K350, K750, K800, N305, k260.

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