Pay as much as you think it worth. Just want to make some profit. Condition: 9/10 large size, whole palm could rest on it when using. No brand. From China. Colour changes automatically and bright when plugged in. Work well in the dark environment. Adjustable dpi, 4 times maximum 5500dpi. Advise to use on a mousepad, as it won't respond on some plane surface.
Keep in contact Be prepared Bring own laptop and mousemat if wanted to test