An Eton RukusXL solar powered boom box is displayed at CES in Las Vegas
An Eton RukusXL solar powered boom box is displayed at the opening press event of the Consumer Electronics Show (CES) in Las Vegas January 6, 2013. The portable speaker system can play for about 8 hours and recharges in 5 hours. REUTERS/Steve Marcus (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY ENVIRONMENT)