Enjoy smooth and accurate cursor control with this Sensonic Wireless Mouse comes with High precision tracking and Switching to lower when cursor speed is too rapid for comfortable control. Key Features 2.4Ghz Wireless Connection 2.4Ghz enables longer transmission distance and reliable connection with virtually no delay and drop-out. Smart Power Saving Prolong battery life-mouse revert to sleep mode automatically when not in use. Storable nano receiver Plug and play convenient, no driver required. High Precision Tracking 1000 dpi high-definition optical tracking. Enjoy smooth and accurate cursor control.