Click here to Buy It Now from Jawbone, $300 

Jawbone's second portable speaker was gone bigger on all fronts: size, sound, and battery life. So what makes the Big Jambox so different? Customizable apps. For instance, Jawbone Companion lets users choose from a variety of uniquely fun voice greetings that can be heard when receiving calendar alerts, battery life notifications, and other updates. It supports speakerphone capabilities and loud voice output, too.