there were 3 mice like that all failed after a couple of months, the 1st cord died, the other had double clicks, the 3rd one had a bad sensor that was spinning forever incomprehensibly how MB I'm such a loser, but all the same, all these mice have a sensor like a mouse for 100r take a friend to play for an hour rezr or steelsaers, you will see the difference MB I'm such a loser, but these mice do not live with me