The Wahl Premiere Series Beard Trimmer for men features a rechargeable Lithium-Ion beard trimmer with convenient USB charging. The trimmer includes our self-sharpening T blade that stays sharper longer compared to the competition. The beard trimmer has a smart led charging indicator to let you know when the charge is done. The Lithium-Ion rechargeable battery runs up to 2.5 hours on a single charge. You will be able to create any beard style you want with the included guide combs for 19 different cutting lengths. The Wahl Elite Beard Trimmer makes a great gift for the male in your life and with our 5-year limited warranty, you can be confident you are buying a high-quality beard trimmer.