Logitech Unifying Receiver for Connecting Multiple Devices
Logitech Receptor USB Unifying, Tecnología Inalámbrica 2,4 GHz, Compatible con Puerto USB y Todos los Dispositivos Unifying como Ratón Inalámbrico y Teclado, PC/Mac/Portátil , Negro : Amazon.es: Informática
Logitech Unifying Vs Non-Unifying Receiver (software in description) - YouTube
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macbook pro - Mac not detecting Logitech receiver on Unifying Software - Ask Different
Logitech Unifying Receiver for Connecting Multiple Devices