iXCC 5500DPI Wired USB Gaming Mouse $5.59 at Amazon
Amazon has the iXCC Predator Series 5500DPI Wired USB Gaming Mouse for $7.99 - $2.40 off with coupon code
iXCCSOPM at final checkout =
$5.59 with free shipping on $25+ or with Prime. Has 7 buttons and an adjustable DPI up to 5500.
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