How does the FK375S compare with a foil shaver?

Rotary heads like these suit men who shave every day or two and want speed; foil shavers generally get closer on flat-lying hair and are better for sensitive skin. The FK375S adds a trimmer, which most basic foils lack.

How long does the battery last on a charge?

Amurhey claims up to 100 minutes of runtime. That is long for a rotary shaver and covers roughly a couple of weeks of short daily shaves, though independent testing is not available.

Does it work for wet shaving or with shaving cream?

The product information describes a dry shave only and does not list a waterproof rating, so treat it as a dry-use shaver and keep it out of the shower.

The shaver, three replacement blades, and a lightweight storage case. A charging cable is standard for this type of shaver, but confirm the exact contents before ordering.

Is the warranty worth extending?

It comes with a two-year basic warranty that can be extended to three years. For a shaver with a built-in battery, the extra year covers the part most likely to fail.