For sensitive skin my recommendation is either the Wahl or Andis close shavers. Since I tend to press firmly I found that the thin foil covering the blades on the Andis will far outlast the Wahl. Shave all over with both styles of shavers including the testicles. Leaves a razor blade close shave. However, the shavers aren't designed to cut anything more than stubble.
https://getarazor.com/andis-shaver/