
This is my second mouse. The former had issues with the eyes glowing very dimly and not glowing at all after a few days. So far this has worked like a charm. Sometimes there are delays, but nothing critical. You notice Iron Man's chin when you hold the mouse, but such a cool factor makes you forget it or live with it. I use this mouse with my laptop so I wish there was an easier way to remove the USB dongle without having to remove the battery. Inserting the key into the mouse is very simple. Overall I am happy with this mouse.

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