October 6, 2015 Register Now » Microsoft took a swipe at Apple’s MacBook Pro today with the introduction of the super sleek convertible Surface Book. The ultra-thin hinged laptop doubles as a tablet, features a removable keyboard and works with a touch, a “Pen” stylus or a mouse.With a starting price of $1,499, the lightweight, 13.5-inch device — Microsoft’s first-ever in-house laptop — boasts a full-sized backlit keyboard, 16GB GDDR5 RAM, a 12-hour battery life and a sixth-generation Intel Core processor. The MacBook Pro, which Microsoft claims churns at half the speed of the Surface Book, starts at $1,299.Related: Microsoft’s Version of Siri Fails to Work at the Worst Possible Moment (VIDEO)Introducing #SurfaceBook, the ultimate laptop. pic.twitter.com/H3uAkX7MXx— Surface (@surface) October 6, 2015″What if you wanted a Surface — but you wanted a laptop Surface, something with a bigger screen, something with the perfect typing experience of a laptop?” Panos Panay, Microsoft’s Surface VP, asked the crowd as he revealed the MacBook challenger at a Windows 10 devices live briefing this morning.Related: Twitter Unveils Easy-to-Use ‘Moments’ Feature That Curates Trending TopicsThe laptop officially goes on sale on Oct. 26, although Microsoft will begin accepting orders for it tomorrow.Also introduced at today’s event were a newer, thinner Surface Pro 4 tablet, an arched-screen iteration of the Band fitness tracker and new Lumia smartphones. Microsoft also announced that it will upgrade all of its Xbox One systems to Windows 10, enabling Xbox 360 games to be played on the Xbox One.Related: How Bill Gates Became a Leadership Legend Free Webinar | Sept. 9: The Entrepreneur’s Playbook for Going Global 2 min read Growing a business sometimes requires thinking outside the box.