The Reebok NXT Speaker Backpack(GBP 70; about $140) comes with an integrated stereo sound system for you to share your tunes. Powered by 2x AA batteries from any device connected via the 3.5mm audio jack. You can use it as your portable laptop speaker. It has 39 litres capacity and features include 6 external pockets, 5 internal pockets, 1 internal laptop holder pocket and Fabric handle.
