Braun beard trimmer BT5090. 4x more precision for your style. With precision dial for up to 25 exact length settings to create your style. 2 Click & Lock trimming combs make precise grooming and trimming easy. Two easy to adjust Click & Lock trimming combs for 25 precise settings. For results that are even, exact, reliable and repeatable. Precision comb 1 - 10 mm with 0.5mm steps Long beard comb 10 - 20 mm with 2mm steps Slide & Style system. Style with the comb on. The unique Slide & Style system lets you style your beard with a simple slide even when the comb is on. Dual battery system. Powerful performance, cordless or corded. For consistent results even in tough conditions, the dual battery system keeps trimming power constant. A full charge takes 1 hour and gives you 40 min. of cordless performance. A 5 min. quick charge is enough for 1 trim.