1.USB 2.0， also compatible with USB 1.12.Higest Resolution: 1600CPI3.Resolution: 800-1600CPI Adjustable through the button4.Buttons: 6 buttons with scroll wheel5.Switch Life: 5 million cycle6.Intelligent connectivity. no need to code， plug & play7.Free controlling range: Within 10 meters (30 Feet)8.Dimension:125mm*72mm*40mm9.Power supply:2 x AAA battery (Included.)10.Color:Black Package included:1 x Wireless Gaming Mouse2 x AAA battery1 x USB Receiver