Wireless Mouse:Size:8.8*5.3*3.0cm Packing:13.5*9*4.3cm 1) Compact and ideal for traveling 2) Docking style provides easy storage with receiver 3) Radio frequency and optical technology 4) 360-degree use within 1.5m radius 5) Automatic power-saving sleep function 6) High resolution: 800dpi 7) Works on any surface except glass