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LANDFOX Slim 2.4 GHz Optical Wireless Mouse + Receiver For Laptop PC Mac
How to use: Step1: Open the Battery Cover(Underneath the Mouse), Install 2pcs Alkaline AAA Batteries. Step2: Take out the USB Nano Dongle, and close the Battery Cover. Step3: Plug the USB Nano Dongle in the USB Port. Step4: Turn the Power Switch Button to "ON" (Underneath the Mouse). The LED Light