The results are in and the first-of-its-kind i770R is the clear choice for the refined diver who wants it all. Anything you aspire to achieve—from open water to recreational tech diving—this computer is there for you. Constructed with the most important features in mind, the i770R offers intuitive design for effortless usage, allowing you to focus on the dive. Bluetooth with faster data transfer and a solid connection on a low energy protocol.Your sleek new "petrol"" i770r computer comes with a matching transmitter and protective case."