Compatible Device Types: laptop, pc
Connector type: USB
Trackball: no
Number of batteries: 2
Wireless protocols: RF 2.4GHz
Battery type : AAA
Number of buttons: 4
DPI: 1000, 1600
Ergonomic design: no
Gliding pads: UPE
Power saving: yes
DPI adjustable: yes
Sensor technology: optical
Silent click: no