No need the table. Off-table use. Plug and play, no software required. Fast and accurate cursor movement * 4 groups adjustable DPI including 400,600,800,1200 * Left and right hand design. Reduce the wrist pain. Help prevent Musculo-Skeletal Disorders * Cable length 2 meters * No operation space restriction, which is also suitable and convenient for living room multimedia center, convenient button control let you able to operate when you"re setting, leaning, lying down or other body posture.