The Nokia 3720 classic is a rock-solid tri-band mobile phone designed to withstand the most testing conditions. It boasts a stainless steel exterior, is made from airtight materials and has a metal lock to protect the internal components from water and dust.   In fact, the Nokia 3720 classic includes EDGE network connectivity and a GPS-enabled function with a full set of maps preloaded onto the microSD card supplied with the device. There's also a host of multimedia features, such as a 2-megapixel camera and an MP3 player.  That's not all though! This telephone gives you instant access to the internet while you're on the move so you'll never get bored!   The Nokia 3720 classic even has a built-in LED light and a battery life of 7 hours in talk-time, or 18 days in stand-by.