• For use with

        Personal computers with Microsoft(R) Windows(R) 7 preinstalled operating systems and equipped with a USB port. (as of April 2012)

      • Weight

        Approx. 585 g (including batteries)

      • Battery life

        Approx. 4 months (alkaline battery)

      • Keystroke

        Approx. 2 mm

      • Key pitch

        Approx. 19.05 mm

      • Battery

        LR6 (SIZE AA) alkaline battery

      • Dimensions

        Approx. 391 x 25 x 125 mm (w x h x d) (excluding projections)

      • Power requirement

        DC 1.5V

      • Frequency band

        2.4 GHz

      • Communication method

        Digital wireless transmission

      • Wireless receiver Weight

        Approx. 2 g

      • Communication distance

        10 m (32 ft.) max. line of sight *3

      • Wireless receiver Interface

        USB

      • Wireless receiver Dimensions

        Approx. 13.8 x 5.4 x 17.9 mm (w x h x d)

      • Weight

        Approx. 71 g (2.6 oz) (including batteries)

      • Battery life

        Approx. 4 months (alkaline battery) *2

      • Position tracking method

        Laser sensor*1

      • Battery

        LR6 (SIZE AA) alkaline battery

      • Dimensions

        Approx. 53.0 x 31.0 x 112 mm (w x h x d) (excluding projections)

      • Buttons/Wheel

        2 buttons/1 wheel

      • Sensor resolution

        300 dot/cm (800 dpi)