A4Tech FG20 Wireless Mouse Grey

Features: Stable wireless connection: enhanced powerful 2.4 GHz wireless connection up to 10–15 m Adjustable power saving: 4-level adjustable power saving. Sleep mode after 0.2 seconds of inactivity Adjustable resolution: 1000/1600/2000 DPI Comfortable symmetrical design: symmetrical shape allows use with both left and right hand 4-directional wheel: smart vertical and horizontal scrolling in Excel and on websites