This interface cable allows you to connect your dive computer to Suunto�s Dive Manager 4 (DM4). With the Suunto DM4 software it's easy to plan, transfer, and track your dives with your dive computer. And when you join Movescount.com, Suunto's online sports diary, you'll be able to share and compare your dives with other divers around the world too. It�s compatible with both PC and Mac.