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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
How to pair more than one device with a Logitech receiver
Download Logitech Unifying for Mac - Free - 1.0
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Pack of 3 Logitech Wireless Unifying USB Receiver Dongle for Keyboard & Mice | eBay