You can hide the min and max values, by using the hideRange option.
You can change the step with which the handle moves, using the step : 10 option.
Changing your default min, max and start values is pretty easy.
(min : 16 / max : 256 / start : 128)
The callback function is invoked on slider initialization and on slider handle movement.
The default Powerange slider is horizontal. However, you can make it vertical, by setting vertical: true.
Cool, comfortable, responsive and easily customizable range slider
