Power cut blades have been engineered for a consistent clean shave 4D flex heads follow your face's contours for a comfortable shave Finish your look with our built-in trimmer. Ideal for maintaining your mustache and trimming your sideburns Cordless shaving for up to 40 minutes after an 8-hour charge IPX7 Water-resistant for easy cleaning. The IPX7 rating allows the shaver to be submerged in 1 meter of water for up to 30 minutes