A:AnswerThe black and brown Momentum headphones are 'over-the-ear'. They fully encapsulate your ear.
The four colored Momentum headphones are 'on-the-ear.' These sit on your ear, not fully sealing them.
A:AnswerThey have the standard 1/4 inch jack so yes, if your laptop has the standard head phone jack then these will work with any windows os. Its more the jack but almost all laptops have the standard headphone jack and if not you can always get an adapter but Im 99 sure your laptop has the standard headphone jack.