Think you are hard on your mobile phone? Nokia's 3720 is built to take it. Engineers incorporated stainless steel into the phone's casing, locked the battery compartment with a screw, and sealed the case to protect against water and contaminants. During stress tests, the 3720 was pounded with weights and dropped from various heights to ensure it could stand up to the dunks, bumps, and crashes a phone endures in harsh environments like a beach or even a dusty construction site. Despite the tough exterior, there is room inside for a 2-megapixel camera, an LED flashlight, and a 1 -gigabyte microSD card. The battery is built for endurance too: Talk time reaches 7 hours, 18 days standby. No price has been set yet for the U.S. version of the 3720, but it is selling in Europe for 125 euros (about $180).
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