The HP Envy Spectre Ultrabook with about 9.5 hours battery life and an amazingly fast performance also gives you the best sound a system can give. The sleek design with easy to handle keys makes you want to use it again and again. It is the worlds first multi-surface glass Ultrabook, HP Envy Spectre must be the gadget of your dreams. The scratch resistant glass is the first of its kind in a laptop computer which makes Spectre the best choice. The Ultrabook, HP Envy Spectre is in a word, Extraordinary.