CoolerMaster MasterMouse MM711 Ultra Light Gaming Mouse (MM-711-KKOL1) - Mouse Proessor 32 bit ARM Cortex M0+, 6 Mouse Buttons, Mouse Grip Type Palm/Claw, Mouse Memory 512KB, Mouse Weight 60g, Mouse Dimensions 116.5 x 62.4 x 38.3 mm, MM Series, Mouse Sensor PixArt PMW3389, Claw, Palm, Fingertip, Fixed UltraWeave Cable, Matte Black