fails at some functions and greatly excels at others [SEP] they sell this as having a ton of functions the swiss tool of the shaver world even it does have a lot of attachments and they are all pretty good quality but the shavers are bad the beard and head shaver don t have the gear reduction to move fast and hard enough to have a smooth shave the rest however are fantastic i especially love the cleanser brush it feel fantastic on my head after a fresh shave