... bluetooth mouse 1.Bluetooth 2.0 version,800-1600CPI optical technology 2.IntelCompact size,easier ... Bluetooth 2.0 Version,800~1600CPI optical Technology.2)Support CPI Switch,between 800~1000~1200~1600CPI.3) ... .5)Tracking method:optical (LED).6)Resolution:800~1600 Cpi.7)Power:2-5VDC.8)Different ... .Tracking Method:Optical.Resolution:800-1600CPI.Can I change the CPI:Yes, 800/1000/1200/1600CPI.Ergonomics:No. ...