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Title: Poor Mice
Review: I bought three of these mice to use at my store since the POS systems work on an old version of Microsoft. We have tried the optical mice but the jump all over the screens and we need to be precise where we get the cursor to go. I searched and found this PS/2 Mouse, bought 3 for the store and the first day they already stopped working! I have to open them up 4-5 times a day to move the sensors and get them to move all over the screen. Right now, they will move right to left, but not up and down. Bad purchase and waste of money!
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