Mine works just fine. Super easy to install, plug into the USB put in batteries and switch it on! I've had it now for over a week and no problems so far, haven't needed to change the batteries either. The lights turn off quickly saving battery power on the one I received. I use this one for a TV Box and also have the black sports car one for the living room laptop. They look much cooler then just 2 computer mice sitting on the coffee table! Can be hard to keep people from wanting to just play with them, especially kids! They are fun though!
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