Normal usage u can, but if u do gaming and intensive stuffs u should take it out..

If u don't plan to use the battery for a long time, discharge it until 40-50% and keep it in a cool dry place..

For you guys worrying about the no-headphone bundles, you can always sell the headphones off for a good price, it would end up being cheaper than the bundle without headphoens.. Beats headphones are high in demand after all if the price is cheap..