Galos | 4-button wireless optical mouse Highlights Plug and play nano dongle that can be stowed away inside the mouse Contoured shape and textured grip sides Comes in a variety of colors Specifications *Type: 4-button wireless mouse Technology: Optical sensor *Resolution: 1000/1200/1600dpi *Interface: USB *Buttons: Left/Right, scroll wheel and DPI *Polling rate: 250Hz *Frame rate: 3000 frames/sec *Frequency: 2.4GHz *RF distance: About 26.2-33ft *Color: Black, *System requirements: Windows® family/Mac OS *Battery type: 2 AAA (included) *Weight: 2oz *Dimensions (LxWxH): 4x2.6x1.5in