Bluetooth technology.
3 DPI changeable 800/1000/1200.
Long Operational distance upto 10m.
6 Button:Left & right click buttons, Forward& backward, DPI switch, scrolling wheel.
Windows XP/VISTA/Windows 7 compatible.
Power: 2 AAA 1.5V alkaline battery(included).
Energy Saving Technology ECOPOWER for less Battery consumption.
Weight: 65g.

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