Boasting high end-technology with pleasing looks, Premium Outdoor Cell phone promises to keep the dirt far away from your chatter box. Designed by Nils Siegel for Siemens Mobile, the gadget features waterproof bar combined with the dirt-resistant chassis. The use of materials like carbon and aluminum adds to its durability and keeps it light in weight too. The color e-paper display gives extra contrast in bright outdoor light enhancing its aesthetic appearance. Worth to mention is its battery backup that keeps charged for at least one month.