Some suggest that it only lasts about five to ten minutes.However that's going to give you plenty of time for several trimmings and most people will leave it in the charger stand.
Yes. The Norelco T980 can be fully immersed in water.
Men use the Norelco T980 to trim or shave their facial hair. It is a model of razor that also comes with a vacuum like feature, so their wives or girlfriends won't even have to clean up after them.