a slide
pad under the thumb acts more like a mouse as its sliding around as if a mouse ball would or a THUMB NUB on a touch screen
They sport touch - sensitive, circular
pads under your thumbs, and trigger buttons that act as primary selection buttons.
Not exact matches
Under the shiny faux leather outer, closed - cell Durafoam
padding protects the backs of your hands, your
thumbs, and your knuckles.
you can change pages by using small arrow keys or a circular
pad that is perfectly positioned to be
under your left
thumb while you are holding the device.
You would think there'd be 4 or 5 buttons
under it, but there is actually just the one in the middle, and your
thumb's position on the
pad determines which direction it registers when pressed.
Physically, it's been slightly tweaked, with rubber
pads on the sides of the mouse where your
thumb and ring / pinky fingers rest, plus
under the hood the optical sensor has been upgraded to a ridiculous 10,000 dpi.