Braun 5790, Flex XP II System offers a seamless shaving experience with its pivoting cutting system that effortlessly adjusts to your facial contours. Activate the long hair trimmer for controlled trimming of your moustache or sideburns. For optimal performance, replace the shaver foil and cutter block every 18 months. Enjoy cordless shaving for up to 40 minutes on a full charge. The cleaning indicator reminds you to clean your shaver daily in the Clean&Charge system, ensuring a hygienic and efficient shave.