Mares Smart Apnea Dive ComputerSmart Apnea Dive Computer The new Smart Apnea represents the evolution of the Nemo Apneist, becoming the benchmark dive computer for the most demanding spearfishermen and freedivers. Smart Apnea is very simple and intuitive to use. Managing and accessing all functionality is now a breeze, thanks to new improved software and two control buttons. Instant depth information, dive time, water temperature, descent and ascent speeds, can all be viewed on the