Sizes
Just add data-size="Size" attribute to the <input type="checkbox"...>. Size values: mini, small, normal, large.
Colors
Just add data-on-color="Color" & data-off-color="Color" to the <input type="checkbox"...>. Color values: primary, info, success, warning, danger, default.
Disabled/Readonly
Just add disabled or readonly attribute to the <input type="checkbox"...>.
Inverse
Just add data-inverse="true" attribute to the <input type="checkbox"...>.
With Text
Just add data-on-text="Text" & data-off-text="Text" to the <input type="checkbox"...>.
With Long Text
Just add data-on-text="Long Text" & data-off-text="Long Text" to the <input type="checkbox"...>.
Label Text
Just add data-on-text="Text" or data-off-text="Text" to the <input type="checkbox"...>.
Radio All Off
Just add switch-radio1 & data-radio-all-off="true" to the <input type="checkbox"...>.