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. Paired with a matching transmitter, this special edition i770R computer + transmitter allows you to monitor current pressure and remaining gas time without a stiff high pressure hose while providing a more streamlined profile.