Optimized airflow for a mess-free trim Guides low-lying hairs towards the blades for an even trim Self-sharpening metal blades are precise even without oiling Click-on precision trimmer for perfect edges and details 20 lock-in length settings, 0,5 - 10mm with 0,5mm precision Up to 75 min runtime after a 1 hour charge, or plug it in Quickly see the status of your trimmer’s battery Just empty the chamber and rinse the blades under water 20 lock-in length settings Select your preferred trim length by simply turning the zoom wheel on the handle until the length you want is displayed from 0,5 - 10mm with 0,5mm precision. Your chosen length is now "locked in" for a perfectly even trim. Battery indicator The battery indicator shows when your trimmer's battery is empty, charging, or full. Precision trimmer Trim your moustache or define details and edges in hard to reach areas with the click-on precision trimmer. Self-sharpening metal blades The stainless steel blades are doublesharpened, cutting even the thickest hair precisely. They sharpen themselves by lightly brushing against each other, so no replacement or oiling is needed throughout your trimmer's lifetime. Corded/75 min cordless use Charge your beard trimmer for 1 hour to get up to 75 minutes of cordless use, or simply use it plugged into the wall. Otherwise the quick charge function gives you a full trim after just 5 minutes of charging.