Wahl Groomsman Battery Trimmer gives you the freedom of cordless trimming, so you can easily trim and detail. Battery operation allows full flexibility when styling and you can use your trimmer anywhere. The high-carbon precision ground blades stay sharper longer and the ergonomically shaped trimmer is perfect for touching up your neckline, beard, stubble and sideburns, allowing you to get that fresh, well groomed look without stepping out of your home.