The Cobalt 2 is the newest release of dive computers that are easy to use, easy to read and totally intuitive. The Cobalt 2 features a newer more powerful microprocessor, faster compass response and new user options such as auto screen brightness. User selectable gas switches are increased from 3 to six mixes. In addition, it uses a rechargeable lithium ion battery that will give the diver between 40 and 60 hours of dive time per charge and a charging adapter that gives the user the option of USB or AC sources.