Get the best comfort for your workspace with this wireless Staples® TECH Ergonomic Mouse that promotes a natural position for your wrist and arm. With wireless plug-and-play USB connectivity, you'll get a 33-foot range using a USB-A dongle. Features precision optical tracking with adjustable sensitivity from 800 to 1600 DPI. The quiet clicking mouse features six buttons that will give you forward and back functions among others. The scroll wheel will let you navigate documents line-by-line. Connector/Port/Interface: USB 2.0; Left/Right Hand Use: Left/Right; Mouse Technology: Optical; Wired/Wireless: Wireless.