detachable

irrotettava Designed to be unfastened or disconnected without damage.
Any device that is designed so that it can be detached from something else.
*{{quote-journal|date=November 5, 2015|author=Jack Schofield|title=Which laptop should we buy for our child?|work=The Guardian|url=http://www.theguardian.com/technology/askjack/2015/nov/05/which-laptop-should-we-buy-for-our-child