The Braun AIO 9440 is an 13 in 1 trimmer, perfect for face and hair styling, manscaping and body grooming. The AIO9440 features a rechargeable Lithium-ion battery with a 180-minuter runtime. Autosense technology reads your beard and adjusts the power of the trimmer motor to its thickness, providing an effortless trim for any beard type. Achieve any beard length from 0.5 - 20 mm thanks to 4 combs, plus tackle unwanted hair with the ear and nose trimmer attachment. The trimmer kit is for wet and dry use, so it can be used in the shower or rinsed under running water for easy clean up.