Exactly that Mark. Looks like an original I phone, fits in your shirt or pants pocket, saves lugging a laptop around and if you lose it, it isn't the end of the world.
I found it to have much better sound quality for Skype calls than my PC.
Sorry for the lack of technical info. but I struggle with all types of IT.
Life on board took a massive upturn when I started using a Macbook with MacEnc navigational software.
Passage weather and ZY Grib weather files all overlay on Navionics charts and the Mac connected very easily to the Fleet Broadband and has been much easier and cleaner to connect up and use without erroneous downloads.