Wireless RF (radio frequency): 2.4GHz
Operation distance: 10 meters ( 32.8 feet )
Power conservation mode during times of no movement
PC USB connector
Compatible with Windows 2000/XP/VISTA
With slim link office keyboard
Tracking ball resolution: 800DPI
Powerful office function 78 keys and 35 hotkeys
Optical frequency: 2.4Ghz radio frequency
Operating current : keyboard: 8mA max, receiver: 30mA max
FN: Num local change function
Powered by 2 AAA batteries
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