The R4 cordless Rotary Shaver is the one of the latest additions to the Remington Style Series shavers. It has dual track blades and flexing cutters to capture every hair for a precision shave whatever your beard style. The R4 cordless Rotary Shaver is the one of the latest additions to the Remington Style Series shavers. It has dual track blades and flexing cutters to capture every hair for a precision shave whatever your beard style. Antimicrobial head surrounds help to protect the skin and the unique 3 day stubble styler attachment helps to give a groomed appearance to a more rugged look.