Braun All-in-one MGK7320, Washable, Battery, Black, Grey Braun All-in-one MGK7320. Minimum hair length: 0.5 mm, Maximum hair length: 2.1 cm, Trimming styles: Goatee, Long beard, Moustache, Short beard. Product colour: Black, Grey. Power source: Battery, Operating time: 100 min, Battery type: Built-in battery. Package type: Box. Base station functions: Charging