30K DPI Optical Sensor, Up to 280 Hr Battery Life, Mechanical Switches Gen-2, 6 Programmable Buttons, button life 60 million clicks, 1 x AA brand new lithium battery upgrade which brings the mouse down to around 76mg in weight, 1000hz polling rate with included 2.4ghz wireless dongle

NOTE: dongle will be packed under the battery inside the dedicated compartment at the bottom of the mouse :)

Let me know if you have questions!!