Microsoft SideWinder X8 Mouse Play and Charge - Up to 30 hours of active gaming on a single charge, or use the play-and charge cable for non-stop action. BlueTrack Technology - Worlds most advanced tracking technology for gaming with image processing of 13,000 frames per second. 2.4 GHz Wireless - Built for lag-free play. DPI Switching - Instantly switch sensitivity between high, medium, and low with one click. 7 Programmable Buttons - Customize 5 programmable main buttons, plus left/right tilt, to your preference.