“It’s not based on heart rate, but it will have a special mode (similar to sleep mode) that, once it’s activated, will measure things like number of times a day and week, duration, calories burned, and other very useful information based on different algorithms we are developing,” says Geeksphone’s Ángel Sánchez Díaz, the director of innovation for the project.
Just don’t ask anyone in bed that you’re switching to “lover performance” mode. That would be pretty weird. Diaz explains that it’s really all about getting physical" “It will help users to have a healthier lifestyle, monitoring different values and statistics when practicing sex.”
No word on whether sexual partners will be able to rate the sexual experience with their own smartwatches, but one might assume that the man who spends more time fidgeting with the gadget than his partner could have his user interfaced critiqued.