Nautismart PRO features
Nautismart pro is waterproof down to -60 meters. Depending on your smartphone thickness full usability might be decreased to -40 mt * (see faqs)
Like any empty box submerged and brought to a depth also Nautismart PRO will adjust and shrink a little bit in order to compensate for the external pressure. While this is absolutely normal and still grant its waterproofness down to -60 mt, when coupling thicker than 8.5mm smartphones the maximum depth at which full usability of the Nautismart PRO features is granted is raised to -40mt, with 7.5mm or thicker phones max usability is -50mt and with 6.5 mm smartphones max usability is equivalent to the nominal depth 0f -60mt.