If you're shopping for 1600 dpi Trackballs, look no further than Overstock.com. With over 10 items available online, Overstock has options for every budget. Browse our selection by Popular Color like Black, Blue, and Purple or by Top Brands like Lenovo and WOW Pen. You can also discover more ways to shop our assortment by Environmentally Friendly, Scroller Type or Ergonomic Fit to find the perfect one. And if your order is over $45, we'll throw in the shipping for free. Whether you're searching for Trackballs or anything else from our Keyboards & Mice collection, you'll find all things home, all for less at Overstock.com.