Nokia 'Bang by Coloud' Portable Speaker - Black Playful and portable - at a party or in the park, it's easy to carry and quick to set up. Just plug it in and turn it on Big Sound - the Bang has enough power to keep the party going. Enjoy up to 8 hours of playback time on a single charge and daisy chain two or more speakers together to make your music sound even better A little bit of Colour, a lot of Fun - make a statement with your favourite colour