V7 4-Button Wireless Optical Mouse with Adjustable DPI - Black - Optical - Wireless - Radio Frequency - 2.40 GHz - Black - USB - 1600 dpi - Scroll Wheel - 4 Button(s) - Symmetrical

4-Button with 2 adjustable dpi settings 1000/1600dpi 2.4Ghz Wireless dongle stores in the bottom of the mouse & 1-AAA battery is included Compact, pocket-size: Perfect for On-The-Go users Precise Optical Sensor Backed by V7 2-Year Warranty Ambidextrous design to provide comfort and control for either hand