This specialty cable allows download of diving log data from specific Suunto dive computers (check your model). It's costly but you don't have much choice for the proprietary connection. Otherwise, it's just another USB cable. No instructions are provided; check on YouTube for video on how to connect it properly. The Suunto DM5 software is free to download; it's display of diving information is well presented. However, some of the data was obviously erroneous, e.g. , diving depth of 180'. Interestingly, these few errors did not appear when I downloaded the same dive data into Subsurface - a free, open source software. This cable really makes creation of dive logs easy! I did my entire family's 5 diving watches in about 30 minutes, saving lots of time compared to the manual method and getting more information. Read full review
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