vertical fit mouse is minimal to hand pain as vertical shape degine.
Has a soft grip with rubber coating.
6 button is convenient to use internet
121 x 70 x 37(mm) / (W)x(H)x(L)mm / 120 gram / 6button / Optical Sensor / Win8/7/Vista/XP,Mac Os 10.1 / DPI 2 stages control (1000 / 1600DPI)

Product Description

Interface - USB / 1.5M Cable / DPI 2 stages control (1000 / 1600DPI) / 121 x 70 x 37(mm) (W)x(H)x(L)mm / 120 gram / 6button / Optical Sensor / Win8/7/Vista/XP,Mac Os 10.1