I suppose it is the same as E71, but let me try it out a few more days. Will update
Yes there's 3 levels of setting, default is on "Medium". However, there's NO setting on the "acceleration" of the mouse pointer which should be the case when using browser. In the browser, moving is very "steppy", ie just like pressing the Dpad arrow keys. you ll find yourself thumbing the direction that you want to go madly & repeatedly to move to one direction.