Forget worrying about dropping your phone with the CASIO G'zONE Ravine 2. This rugged device is sure to be the most durable phone you have ever used. With its waterproof design, clamshell fold style, and rugged exterior, this phone is a tough nut to crack. Even with all this durability, the CASIO G'zONE Ravine 2 is still a feature rich, fully functional phone. With its bluetooth capabilities, built in compass, pedometer, thermometer, and more, few feature phones offer as much functionality.